/* This file is part of the KDE project * * Copyright (C) 1998, 1999 Torben Weis * 1999 Lars Knoll * 1999 Antti Koivisto * 2000-2004 Dirk Mueller * 2003 Leo Savernik * 2003-2004 Apple Computer, Inc. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public License * along with this library; see the file COPYING.LIB. If not, write to * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, * Boston, MA 02110-1301, USA. */ #include "tdehtmlview.moc" #include "tdehtmlview.h" #include "tdehtml_part.h" #include "tdehtml_events.h" #include "html/html_documentimpl.h" #include "html/html_inlineimpl.h" #include "html/html_formimpl.h" #include "rendering/render_arena.h" #include "rendering/render_canvas.h" #include "rendering/render_frames.h" #include "rendering/render_replaced.h" #include "rendering/render_layer.h" #include "rendering/render_line.h" #include "rendering/render_table.h" // removeme #define protected public #include "rendering/render_text.h" #undef protected #include "xml/dom2_eventsimpl.h" #include "css/cssstyleselector.h" #include "css/csshelper.h" #include "misc/htmlhashes.h" #include "misc/helper.h" #include "misc/loader.h" #include "tdehtml_settings.h" #include "tdehtml_printsettings.h" #include "tdehtmlpart_p.h" #ifndef TDEHTML_NO_CARET #include "tdehtml_caret_p.h" #include "xml/dom2_rangeimpl.h" #endif #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include //#define DEBUG_NO_PAINT_BUFFER //#define DEBUG_FLICKER //#define DEBUG_PIXEL #ifdef Q_WS_X11 #include #include #endif #define PAINT_BUFFER_HEIGHT 128 #if 0 namespace tdehtml { void dumpLineBoxes(RenderFlow *flow); } #endif using namespace DOM; using namespace tdehtml; class TDEHTMLToolTip; #ifndef TQT_NO_TOOLTIP class TDEHTMLToolTip : public TQToolTip { public: TDEHTMLToolTip(TDEHTMLView *view, TDEHTMLViewPrivate* vp) : TQToolTip(view->viewport()) { m_view = view; m_viewprivate = vp; }; protected: virtual void maybeTip(const TQPoint &); private: TDEHTMLView *m_view; TDEHTMLViewPrivate* m_viewprivate; }; #endif class TDEHTMLViewPrivate { friend class TDEHTMLToolTip; public: enum PseudoFocusNodes { PFNone, PFTop, PFBottom }; enum CompletedState { CSNone = 0, CSFull, CSActionPending }; TDEHTMLViewPrivate() : underMouse( 0 ), underMouseNonShared( 0 ), visibleWidgets( 107 ) #ifndef NO_SMOOTH_SCROLL_HACK , dx(0), dy(0), ddx(0), ddy(0), rdx(0), rdy(0), scrolling(false) #endif { #ifndef TDEHTML_NO_CARET m_caretViewContext = 0; m_editorContext = 0; #endif // TDEHTML_NO_CARET postponed_autorepeat = NULL; reset(); vmode = TQScrollView::Auto; hmode = TQScrollView::Auto; tp=0; paintBuffer=0; vertPaintBuffer=0; formCompletions=0; prevScrollbarVisible = true; tooltip = 0; possibleTripleClick = false; emitCompletedAfterRepaint = CSNone; cursor_icon_widget = NULL; m_mouseScrollTimer = 0; m_mouseScrollIndicator = 0; } ~TDEHTMLViewPrivate() { delete formCompletions; delete tp; tp = 0; delete paintBuffer; paintBuffer =0; delete vertPaintBuffer; delete postponed_autorepeat; if (underMouse) underMouse->deref(); if (underMouseNonShared) underMouseNonShared->deref(); delete tooltip; #ifndef TDEHTML_NO_CARET delete m_caretViewContext; delete m_editorContext; #endif // TDEHTML_NO_CARET delete cursor_icon_widget; delete m_mouseScrollTimer; delete m_mouseScrollIndicator; } void reset() { if (underMouse) underMouse->deref(); underMouse = 0; if (underMouseNonShared) underMouseNonShared->deref(); underMouseNonShared = 0; linkPressed = false; useSlowRepaints = false; tabMovePending = false; lastTabbingDirection = true; pseudoFocusNode = PFNone; #ifndef TDEHTML_NO_SCROLLBARS //We don't turn off the toolbars here //since if the user turns them //off, then chances are they want them turned //off always - even after a reset. #else vmode = TQScrollView::AlwaysOff; hmode = TQScrollView::AlwaysOff; #endif #ifdef DEBUG_PIXEL timer.start(); pixelbooth = 0; repaintbooth = 0; #endif scrollBarMoved = false; contentsMoving = false; ignoreWheelEvents = false; borderX = 30; borderY = 30; paged = false; clickX = -1; clickY = -1; prevMouseX = -1; prevMouseY = -1; clickCount = 0; isDoubleClick = false; scrollingSelf = false; delete postponed_autorepeat; postponed_autorepeat = NULL; layoutTimerId = 0; repaintTimerId = 0; scrollTimerId = 0; scrollSuspended = false; scrollSuspendPreActivate = false; complete = false; firstRelayout = true; needsFullRepaint = true; dirtyLayout = false; layoutSchedulingEnabled = true; painting = false; updateRegion = TQRegion(); m_dialogsAllowed = true; #ifndef TDEHTML_NO_CARET if (m_caretViewContext) { m_caretViewContext->caretMoved = false; m_caretViewContext->keyReleasePending = false; }/*end if*/ #endif // TDEHTML_NO_CARET #ifndef TDEHTML_NO_TYPE_AHEAD_FIND typeAheadActivated = false; #endif // TDEHTML_NO_TYPE_AHEAD_FIND accessKeysActivated = false; accessKeysPreActivate = false; // We ref/deref to ensure defaultHTMLSettings is available TDEHTMLFactory::ref(); accessKeysEnabled = TDEHTMLFactory::defaultHTMLSettings()->accessKeysEnabled(); TDEHTMLFactory::deref(); emitCompletedAfterRepaint = CSNone; } void newScrollTimer(TQWidget *view, int tid) { //kdDebug(6000) << "newScrollTimer timer " << tid << endl; view->killTimer(scrollTimerId); scrollTimerId = tid; scrollSuspended = false; } enum ScrollDirection { ScrollLeft, ScrollRight, ScrollUp, ScrollDown }; void adjustScroller(TQWidget *view, ScrollDirection direction, ScrollDirection oppositedir) { static const struct { int msec, pixels; } timings [] = { {320,1}, {224,1}, {160,1}, {112,1}, {80,1}, {56,1}, {40,1}, {28,1}, {20,1}, {20,2}, {20,3}, {20,4}, {20,6}, {20,8}, {0,0} }; if (!scrollTimerId || (static_cast(scrollDirection) != direction && (static_cast(scrollDirection) != oppositedir || scrollSuspended))) { scrollTiming = 6; scrollBy = timings[scrollTiming].pixels; scrollDirection = direction; newScrollTimer(view, view->startTimer(timings[scrollTiming].msec)); } else if (scrollDirection == direction && timings[scrollTiming+1].msec && !scrollSuspended) { scrollBy = timings[++scrollTiming].pixels; newScrollTimer(view, view->startTimer(timings[scrollTiming].msec)); } else if (scrollDirection == oppositedir) { if (scrollTiming) { scrollBy = timings[--scrollTiming].pixels; newScrollTimer(view, view->startTimer(timings[scrollTiming].msec)); } } scrollSuspended = false; } #ifndef TDEHTML_NO_CARET /** this function returns an instance of the caret view context. If none * exists, it will be instantiated. */ CaretViewContext *caretViewContext() { if (!m_caretViewContext) m_caretViewContext = new CaretViewContext(); return m_caretViewContext; } /** this function returns an instance of the editor context. If none * exists, it will be instantiated. */ EditorContext *editorContext() { if (!m_editorContext) m_editorContext = new EditorContext(); return m_editorContext; } #endif // TDEHTML_NO_CARET #ifdef DEBUG_PIXEL TQTime timer; unsigned int pixelbooth; unsigned int repaintbooth; #endif TQPainter *tp; TQPixmap *paintBuffer; TQPixmap *vertPaintBuffer; NodeImpl *underMouse; NodeImpl *underMouseNonShared; bool tabMovePending:1; bool lastTabbingDirection:1; PseudoFocusNodes pseudoFocusNode:2; bool scrollBarMoved:1; bool contentsMoving:1; TQScrollView::ScrollBarMode vmode; TQScrollView::ScrollBarMode hmode; bool prevScrollbarVisible:1; bool linkPressed:1; bool useSlowRepaints:1; bool ignoreWheelEvents:1; int borderX, borderY; KSimpleConfig *formCompletions; bool paged; int clickX, clickY, clickCount; bool isDoubleClick; int prevMouseX, prevMouseY; bool scrollingSelf; int layoutTimerId; TQKeyEvent* postponed_autorepeat; int repaintTimerId; int scrollTimerId; int scrollTiming; int scrollBy; ScrollDirection scrollDirection :2; bool scrollSuspended :1; bool scrollSuspendPreActivate :1; bool complete :1; bool firstRelayout :1; bool layoutSchedulingEnabled :1; bool needsFullRepaint :1; bool painting :1; bool possibleTripleClick :1; bool dirtyLayout :1; bool m_dialogsAllowed :1; TQRegion updateRegion; TDEHTMLToolTip *tooltip; TQPtrDict visibleWidgets; #ifndef TDEHTML_NO_CARET CaretViewContext *m_caretViewContext; EditorContext *m_editorContext; #endif // TDEHTML_NO_CARET #ifndef TDEHTML_NO_TYPE_AHEAD_FIND TQString findString; TQTimer timer; bool findLinksOnly; bool typeAheadActivated; #endif // TDEHTML_NO_TYPE_AHEAD_FIND bool accessKeysEnabled; bool accessKeysActivated; bool accessKeysPreActivate; CompletedState emitCompletedAfterRepaint; TQWidget* cursor_icon_widget; // scrolling activated by MMB short m_mouseScroll_byX; short m_mouseScroll_byY; TQTimer *m_mouseScrollTimer; TQWidget *m_mouseScrollIndicator; #ifndef NO_SMOOTH_SCROLL_HACK TQTimer timer2; int dx; int dy; // Step size * 16 and residual to avoid huge difference between 1px/step and 2px/step int ddx; int ddy; int rdx; int rdy; bool scrolling; #endif }; #ifndef TQT_NO_TOOLTIP /** calculates the client-side image map rectangle for the given image element * @param img image element * @param scrollOfs scroll offset of viewport in content coordinates * @param p position to be probed in viewport coordinates * @param r returns the bounding rectangle in content coordinates * @param s returns the title string * @return true if an appropriate area was found -- only in this case r and * s are valid, false otherwise */ static bool findImageMapRect(HTMLImageElementImpl *img, const TQPoint &scrollOfs, const TQPoint &p, TQRect &r, TQString &s) { HTMLMapElementImpl* map; if (img && img->getDocument()->isHTMLDocument() && (map = static_cast(img->getDocument())->getMap(img->imageMap()))) { RenderObject::NodeInfo info(true, false); RenderObject *rend = img->renderer(); int ax, ay; if (!rend || !rend->absolutePosition(ax, ay)) return false; // we're a client side image map bool inside = map->mapMouseEvent(p.x() - ax + scrollOfs.x(), p.y() - ay + scrollOfs.y(), rend->contentWidth(), rend->contentHeight(), info); if (inside && info.URLElement()) { HTMLAreaElementImpl *area = static_cast(info.URLElement()); Q_ASSERT(area->id() == ID_AREA); s = area->getAttribute(ATTR_TITLE).string(); TQRegion reg = area->cachedRegion(); if (!s.isEmpty() && !reg.isEmpty()) { r = reg.boundingRect(); r.moveBy(ax, ay); return true; } } } return false; } void TDEHTMLToolTip::maybeTip(const TQPoint& p) { DOM::NodeImpl *node = m_viewprivate->underMouseNonShared; TQRect region; while ( node ) { if ( node->isElementNode() ) { DOM::ElementImpl *e = static_cast( node ); TQRect r; TQString s; bool found = false; // for images, check if it is part of a client-side image map, // and query the s' title attributes, too if (e->id() == ID_IMG && !e->getAttribute( ATTR_USEMAP ).isEmpty()) { found = findImageMapRect(static_cast(e), m_view->viewportToContents(TQPoint(0, 0)), p, r, s); } if (!found) { s = e->getAttribute( ATTR_TITLE ).string(); r = node->getRect(); } region |= TQRect( m_view->contentsToViewport( r.topLeft() ), r.size() ); if ( !s.isEmpty() ) { tip( region, TQStyleSheet::convertFromPlainText( s, TQStyleSheetItem::WhiteSpaceNormal ) ); break; } } node = node->parentNode(); } } #endif TDEHTMLView::TDEHTMLView( TDEHTMLPart *part, TQWidget *parent, const char *name) : TQScrollView( parent, name, (WFlags)(WResizeNoErase | WRepaintNoErase) ) { m_medium = "screen"; m_part = part; d = new TDEHTMLViewPrivate; TQScrollView::setVScrollBarMode(d->vmode); TQScrollView::setHScrollBarMode(d->hmode); connect(kapp, TQT_SIGNAL(tdedisplayPaletteChanged()), this, TQT_SLOT(slotPaletteChanged())); connect(this, TQT_SIGNAL(contentsMoving(int, int)), this, TQT_SLOT(slotScrollBarMoved())); // initialize QScrollView enableClipper(true); // hack to get unclipped painting on the viewport. static_cast(TQT_TQWIDGET(viewport()))->setWFlags(WPaintUnclipped); setResizePolicy(Manual); viewport()->setMouseTracking(true); viewport()->setBackgroundMode(NoBackground); KImageIO::registerFormats(); #ifndef TQT_NO_TOOLTIP d->tooltip = new TDEHTMLToolTip( this, d ); #endif #ifndef TDEHTML_NO_TYPE_AHEAD_FIND connect(&d->timer, TQT_SIGNAL(timeout()), this, TQT_SLOT(findTimeout())); #endif // TDEHTML_NO_TYPE_AHEAD_FIND init(); viewport()->show(); #ifndef NO_SMOOTH_SCROLL_HACK #define timer timer2 connect(&d->timer, TQT_SIGNAL(timeout()), this, TQT_SLOT(scrollTick())); #undef timer #endif } TDEHTMLView::~TDEHTMLView() { closeChildDialogs(); if (m_part) { //WABA: Is this Ok? Do I need to deref it as well? //Does this need to be done somewhere else? DOM::DocumentImpl *doc = m_part->xmlDocImpl(); if (doc) doc->detach(); } delete d; d = 0; } void TDEHTMLView::init() { if(!d->paintBuffer) d->paintBuffer = new TQPixmap(PAINT_BUFFER_HEIGHT, PAINT_BUFFER_HEIGHT); if(!d->vertPaintBuffer) d->vertPaintBuffer = new TQPixmap(10, PAINT_BUFFER_HEIGHT); if(!d->tp) d->tp = new TQPainter(); setFocusPolicy(TQ_StrongFocus); viewport()->setFocusProxy(this); _marginWidth = -1; // undefined _marginHeight = -1; _width = 0; _height = 0; installEventFilter(this); setAcceptDrops(true); TQSize s = viewportSize(4095, 4095); resizeContents(s.width(), s.height()); } void TDEHTMLView::clear() { // work around QScrollview's unbelievable bugginess setStaticBackground(true); #ifndef TDEHTML_NO_CARET if (!m_part->isCaretMode() && !m_part->isEditable()) caretOff(); #endif #ifndef TDEHTML_NO_TYPE_AHEAD_FIND if( d->typeAheadActivated ) findTimeout(); #endif if (d->accessKeysEnabled && d->accessKeysActivated) accessKeysTimeout(); viewport()->unsetCursor(); if ( d->cursor_icon_widget ) d->cursor_icon_widget->hide(); d->reset(); TQT_TQOBJECT(this)->killTimers(); emit cleared(); TQScrollView::setHScrollBarMode(d->hmode); TQScrollView::setVScrollBarMode(d->vmode); verticalScrollBar()->setEnabled( false ); horizontalScrollBar()->setEnabled( false ); } void TDEHTMLView::hideEvent(TQHideEvent* e) { TQScrollView::hideEvent(e); if ( m_part && m_part->xmlDocImpl() ) m_part->xmlDocImpl()->docLoader()->pauseAnimations(); } void TDEHTMLView::showEvent(TQShowEvent* e) { TQScrollView::showEvent(e); if ( m_part && m_part->xmlDocImpl() ) m_part->xmlDocImpl()->docLoader()->resumeAnimations(); } void TDEHTMLView::resizeEvent (TQResizeEvent* e) { int dw = e->oldSize().width() - e->size().width(); int dh = e->oldSize().height() - e->size().height(); // if we are shrinking the view, don't allow the content to overflow // before the layout occurs - we don't know if we need scrollbars yet dw = dw>0 ? kMax(0, contentsWidth()-dw) : contentsWidth(); dh = dh>0 ? kMax(0, contentsHeight()-dh) : contentsHeight(); resizeContents(dw, dh); TQScrollView::resizeEvent(e); if ( m_part && m_part->xmlDocImpl() ) m_part->xmlDocImpl()->dispatchWindowEvent( EventImpl::RESIZE_EVENT, false, false ); } void TDEHTMLView::viewportResizeEvent (TQResizeEvent* e) { TQScrollView::viewportResizeEvent(e); //int w = visibleWidth(); //int h = visibleHeight(); if (d->layoutSchedulingEnabled) layout(); #ifndef TDEHTML_NO_CARET else { hideCaret(); recalcAndStoreCaretPos(); showCaret(); }/*end if*/ #endif TDEApplication::sendPostedEvents(viewport(), TQEvent::Paint); } // this is to get rid of a compiler virtual overload mismatch warning. do not remove void TDEHTMLView::drawContents( TQPainter*) { } void TDEHTMLView::drawContents( TQPainter *p, int ex, int ey, int ew, int eh ) { #ifdef DEBUG_PIXEL if ( d->timer.elapsed() > 5000 ) { tqDebug( "drawed %d pixels in %d repaints the last %d milliseconds", d->pixelbooth, d->repaintbooth, d->timer.elapsed() ); d->timer.restart(); d->pixelbooth = 0; d->repaintbooth = 0; } d->pixelbooth += ew*eh; d->repaintbooth++; #endif //kdDebug( 6000 ) << "drawContents this="<< this <<" x=" << ex << ",y=" << ey << ",w=" << ew << ",h=" << eh << endl; if(!m_part || !m_part->xmlDocImpl() || !m_part->xmlDocImpl()->renderer()) { p->fillRect(ex, ey, ew, eh, palette().active().brush(TQColorGroup::Base)); return; } else if ( d->complete && static_cast(m_part->xmlDocImpl()->renderer())->needsLayout() ) { // an external update request happens while we have a layout scheduled unscheduleRelayout(); layout(); } if (d->painting) { kdDebug( 6000 ) << "WARNING: drawContents reentered! " << endl; return; } d->painting = true; TQPoint pt = contentsToViewport(TQPoint(ex, ey)); TQRegion cr = TQRect(pt.x(), pt.y(), ew, eh); // kdDebug(6000) << "clip rect: " << TQRect(pt.x(), pt.y(), ew, eh) << endl; for (TQPtrDictIterator it(d->visibleWidgets); it.current(); ++it) { TQWidget *w = it.current(); RenderWidget* rw = static_cast( it.currentKey() ); if (w && rw && !rw->isTDEHTMLWidget()) { int x, y; rw->absolutePosition(x, y); contentsToViewport(x, y, x, y); int pbx = rw->borderLeft()+rw->paddingLeft(); int pby = rw->borderTop()+rw->paddingTop(); TQRect g = TQRect(x+pbx, y+pby, rw->width()-pbx-rw->borderRight()-rw->paddingRight(), rw->height()-pby-rw->borderBottom()-rw->paddingBottom()); if ( !rw->isFrame() && ((g.top() > pt.y()+eh) || (g.bottom() <= pt.y()) || (g.right() <= pt.x()) || (g.left() > pt.x()+ew) )) continue; RenderLayer* rl = rw->needsMask() ? rw->enclosingStackingContext() : 0; TQRegion mask = rl ? rl->getMask() : TQRegion(); if (!mask.isNull()) { TQPoint o(0,0); o = contentsToViewport(o); mask.translate(o.x(),o.y()); mask = mask.intersect( TQRect(g.x(),g.y(),g.width(),g.height()) ); cr -= mask; } else { cr -= g; } } } #if 0 // this is commonly the case with framesets. we still do // want to paint them, otherwise the widgets don't get placed. if (cr.isEmpty()) { d->painting = false; return; } #endif #ifndef DEBUG_NO_PAINT_BUFFER p->setClipRegion(cr); if (eh > PAINT_BUFFER_HEIGHT && ew <= 10) { if ( d->vertPaintBuffer->height() < visibleHeight() ) d->vertPaintBuffer->resize(10, visibleHeight()); d->tp->begin(d->vertPaintBuffer); d->tp->translate(-ex, -ey); d->tp->fillRect(ex, ey, ew, eh, palette().active().brush(TQColorGroup::Base)); m_part->xmlDocImpl()->renderer()->layer()->paint(d->tp, TQRect(ex, ey, ew, eh)); d->tp->end(); p->drawPixmap(ex, ey, *d->vertPaintBuffer, 0, 0, ew, eh); } else { if ( d->paintBuffer->width() < visibleWidth() ) d->paintBuffer->resize(visibleWidth(),PAINT_BUFFER_HEIGHT); int py=0; while (py < eh) { int ph = eh-py < PAINT_BUFFER_HEIGHT ? eh-py : PAINT_BUFFER_HEIGHT; d->tp->begin(d->paintBuffer); d->tp->translate(-ex, -ey-py); d->tp->fillRect(ex, ey+py, ew, ph, palette().active().brush(TQColorGroup::Base)); m_part->xmlDocImpl()->renderer()->layer()->paint(d->tp, TQRect(ex, ey+py, ew, ph)); d->tp->end(); p->drawPixmap(ex, ey+py, *d->paintBuffer, 0, 0, ew, ph); py += PAINT_BUFFER_HEIGHT; } } #else // !DEBUG_NO_PAINT_BUFFER static int cnt=0; ex = contentsX(); ey = contentsY(); ew = visibleWidth(); eh = visibleHeight(); TQRect pr(ex,ey,ew,eh); kdDebug() << "[" << ++cnt << "]" << " clip region: " << pr << endl; // p->setClipRegion(TQRect(0,0,ew,eh)); // p->translate(-ex, -ey); p->fillRect(ex, ey, ew, eh, palette().active().brush(TQColorGroup::Base)); m_part->xmlDocImpl()->renderer()->layer()->paint(p, pr); #endif // DEBUG_NO_PAINT_BUFFER #ifndef TDEHTML_NO_CARET if (d->m_caretViewContext && d->m_caretViewContext->visible) { TQRect pos(d->m_caretViewContext->x, d->m_caretViewContext->y, d->m_caretViewContext->width, d->m_caretViewContext->height); if (pos.intersects(TQRect(ex, ey, ew, eh))) { p->setRasterOp(XorROP); p->setPen(white); if (pos.width() == 1) p->drawLine(pos.topLeft(), pos.bottomRight()); else { p->fillRect(pos, white); }/*end if*/ }/*end if*/ }/*end if*/ #endif // TDEHTML_NO_CARET // p->setPen(TQPen(magenta,0,DashDotDotLine)); // p->drawRect(dbg_paint_rect); tdehtml::DrawContentsEvent event( p, ex, ey, ew, eh ); TQApplication::sendEvent( m_part, &event ); d->painting = false; } void TDEHTMLView::setMarginWidth(int w) { // make it update the rendering area when set _marginWidth = w; } void TDEHTMLView::setMarginHeight(int h) { // make it update the rendering area when set _marginHeight = h; } void TDEHTMLView::layout() { if( m_part && m_part->xmlDocImpl() ) { DOM::DocumentImpl *document = m_part->xmlDocImpl(); tdehtml::RenderCanvas* canvas = static_cast(document->renderer()); if ( !canvas ) return; d->layoutSchedulingEnabled=false; // the reference object for the overflow property on canvas RenderObject * ref = 0; RenderObject* root = document->documentElement() ? document->documentElement()->renderer() : 0; if (document->isHTMLDocument()) { NodeImpl *body = static_cast(document)->body(); if(body && body->renderer() && body->id() == ID_FRAMESET) { TQScrollView::setVScrollBarMode(AlwaysOff); TQScrollView::setHScrollBarMode(AlwaysOff); body->renderer()->setNeedsLayout(true); // if (d->tooltip) { // delete d->tooltip; // d->tooltip = 0; // } } else { if (!d->tooltip) d->tooltip = new TDEHTMLToolTip( this, d ); // only apply body's overflow to canvas if root as a visible overflow if (root) ref = (!body || root->style()->hidesOverflow()) ? root : body->renderer(); } } else { ref = root; } if (ref) { if( ref->style()->overflowX() == OHIDDEN ) { if (d->hmode == Auto) TQScrollView::setHScrollBarMode(AlwaysOff); } else if (ref->style()->overflowX() == OSCROLL ) { if (d->hmode == Auto) TQScrollView::setHScrollBarMode(AlwaysOn); } else { if (TQScrollView::hScrollBarMode() == AlwaysOff) TQScrollView::setHScrollBarMode(d->hmode); } if ( ref->style()->overflowY() == OHIDDEN ) { if (d->vmode == Auto) TQScrollView::setVScrollBarMode(AlwaysOff); } else if (ref->style()->overflowY() == OSCROLL ) { if (d->vmode == Auto) TQScrollView::setVScrollBarMode(AlwaysOn); } else { if (TQScrollView::vScrollBarMode() == AlwaysOff) TQScrollView::setVScrollBarMode(d->vmode); } } d->needsFullRepaint = d->firstRelayout; if (_height != visibleHeight() || _width != visibleWidth()) {; d->needsFullRepaint = true; _height = visibleHeight(); _width = visibleWidth(); } //TQTime qt; //qt.start(); canvas->layout(); emit finishedLayout(); if (d->firstRelayout) { // make sure firstRelayout is set to false now in case this layout // wasn't scheduled d->firstRelayout = false; verticalScrollBar()->setEnabled( true ); horizontalScrollBar()->setEnabled( true ); } #if 0 ElementImpl *listitem = m_part->xmlDocImpl()->getElementById("__test_element__"); if (listitem) kdDebug(6000) << "after layout, before repaint" << endl; if (listitem) dumpLineBoxes(static_cast(listitem->renderer())); #endif #ifndef TDEHTML_NO_CARET hideCaret(); if ((m_part->isCaretMode() || m_part->isEditable()) && !d->complete && d->m_caretViewContext && !d->m_caretViewContext->caretMoved) { initCaret(); } else { recalcAndStoreCaretPos(); showCaret(); }/*end if*/ #endif if (d->accessKeysEnabled && d->accessKeysActivated) { emit hideAccessKeys(); displayAccessKeys(); } //kdDebug( 6000 ) << "TIME: layout() dt=" << qt.elapsed() << endl; } else _width = visibleWidth(); killTimer(d->layoutTimerId); d->layoutTimerId = 0; d->layoutSchedulingEnabled=true; } void TDEHTMLView::closeChildDialogs() { TQObjectList *dlgs = queryList(TQDIALOG_OBJECT_NAME_STRING); for (TQObject *dlg = dlgs->first(); dlg; dlg = dlgs->next()) { KDialogBase* dlgbase = dynamic_cast( dlg ); if ( dlgbase ) { if ( dlgbase->testWFlags( WShowModal ) ) { kdDebug(6000) << "closeChildDialogs: closing dialog " << dlgbase << endl; // close() ends up calling TQButton::animateClick, which isn't immediate // we need something the exits the event loop immediately (#49068) dlgbase->cancel(); } } else { kdWarning() << "closeChildDialogs: not a KDialogBase! Don't use QDialogs in KDE! " << TQT_TQWIDGET(dlg) << endl; TQT_TQWIDGET(dlg)->hide(); } } delete dlgs; d->m_dialogsAllowed = false; } bool TDEHTMLView::dialogsAllowed() { bool allowed = d->m_dialogsAllowed; TDEHTMLPart* p = m_part->parentPart(); if (p && p->view()) allowed &= p->view()->dialogsAllowed(); return allowed; } void TDEHTMLView::closeEvent( TQCloseEvent* ev ) { closeChildDialogs(); TQScrollView::closeEvent( ev ); } // // Event Handling // ///////////////// void TDEHTMLView::viewportMousePressEvent( TQMouseEvent *_mouse ) { if (!m_part->xmlDocImpl()) return; if (d->possibleTripleClick && ( _mouse->button() & Qt::MouseButtonMask ) == Qt::LeftButton) { viewportMouseDoubleClickEvent( _mouse ); // it handles triple clicks too return; } int xm, ym; viewportToContents(_mouse->x(), _mouse->y(), xm, ym); //kdDebug( 6000 ) << "mousePressEvent: viewport=("<<_mouse->x()<<"/"<<_mouse->y()<<"), contents=(" << xm << "/" << ym << ")\n"; d->isDoubleClick = false; DOM::NodeImpl::MouseEvent mev( _mouse->stateAfter(), DOM::NodeImpl::MousePress ); m_part->xmlDocImpl()->prepareMouseEvent( false, xm, ym, &mev ); //kdDebug(6000) << "innerNode="<button() == Qt::MidButton) && !m_part->d->m_bOpenMiddleClick && !d->m_mouseScrollTimer && mev.url.isNull() && (mev.innerNode.elementId() != ID_INPUT) ) { TQPoint point = mapFromGlobal( _mouse->globalPos() ); d->m_mouseScroll_byX = 0; d->m_mouseScroll_byY = 0; d->m_mouseScrollTimer = new TQTimer( this ); connect( d->m_mouseScrollTimer, TQT_SIGNAL(timeout()), this, TQT_SLOT(slotMouseScrollTimer()) ); if ( !d->m_mouseScrollIndicator ) { TQPixmap pixmap, icon; pixmap.resize( 48, 48 ); pixmap.fill( TQColor( tqRgba( 127, 127, 127, 127 ) ) ); TQPainter p( &pixmap ); icon = TDEGlobal::iconLoader()->loadIcon( "1uparrow", TDEIcon::Small ); p.drawPixmap( 16, 0, icon ); icon = TDEGlobal::iconLoader()->loadIcon( "1leftarrow", TDEIcon::Small ); p.drawPixmap( 0, 16, icon ); icon = TDEGlobal::iconLoader()->loadIcon( "1downarrow", TDEIcon::Small ); p.drawPixmap( 16, 32,icon ); icon = TDEGlobal::iconLoader()->loadIcon( "1rightarrow", TDEIcon::Small ); p.drawPixmap( 32, 16, icon ); p.drawEllipse( 23, 23, 2, 2 ); d->m_mouseScrollIndicator = new TQWidget( this, 0 ); d->m_mouseScrollIndicator->setFixedSize( 48, 48 ); d->m_mouseScrollIndicator->setPaletteBackgroundPixmap( pixmap ); } d->m_mouseScrollIndicator->move( point.x()-24, point.y()-24 ); bool hasHorBar = visibleWidth() < contentsWidth(); bool hasVerBar = visibleHeight() < contentsHeight(); TDEConfig *config = TDEGlobal::config(); TDEConfigGroupSaver saver( config, "HTML Settings" ); if ( config->readBoolEntry( "ShowMouseScrollIndicator", true ) ) { d->m_mouseScrollIndicator->show(); d->m_mouseScrollIndicator->unsetCursor(); TQBitmap mask = d->m_mouseScrollIndicator->paletteBackgroundPixmap()->createHeuristicMask( true ); if ( hasHorBar && !hasVerBar ) { TQBitmap bm( 16, 16, true ); bitBlt( &mask, 16, 0, &bm, 0, 0, -1, -1 ); bitBlt( &mask, 16, 32, &bm, 0, 0, -1, -1 ); d->m_mouseScrollIndicator->setCursor( KCursor::SizeHorCursor ); } else if ( !hasHorBar && hasVerBar ) { TQBitmap bm( 16, 16, true ); bitBlt( &mask, 0, 16, &bm, 0, 0, -1, -1 ); bitBlt( &mask, 32, 16, &bm, 0, 0, -1, -1 ); d->m_mouseScrollIndicator->setCursor( KCursor::SizeVerCursor ); } else d->m_mouseScrollIndicator->setCursor( KCursor::SizeAllCursor ); d->m_mouseScrollIndicator->setMask( mask ); } else { if ( hasHorBar && !hasVerBar ) viewport()->setCursor( KCursor::SizeHorCursor ); else if ( !hasHorBar && hasVerBar ) viewport()->setCursor( KCursor::SizeVerCursor ); else viewport()->setCursor( KCursor::SizeAllCursor ); } return; } else if ( d->m_mouseScrollTimer ) { delete d->m_mouseScrollTimer; d->m_mouseScrollTimer = 0; if ( d->m_mouseScrollIndicator ) d->m_mouseScrollIndicator->hide(); } d->clickCount = 1; d->clickX = xm; d->clickY = ym; bool swallowEvent = dispatchMouseEvent(EventImpl::MOUSEDOWN_EVENT,mev.innerNode.handle(),mev.innerNonSharedNode.handle(),true, d->clickCount,_mouse,true,DOM::NodeImpl::MousePress); tdehtml::RenderObject* r = mev.innerNode.handle() ? mev.innerNode.handle()->renderer() : 0; if (r && r->isWidget()) _mouse->ignore(); if (!swallowEvent) { emit m_part->nodeActivated(mev.innerNode); tdehtml::MousePressEvent event( _mouse, xm, ym, mev.url, mev.target, mev.innerNode ); TQApplication::sendEvent( m_part, &event ); // we might be deleted after this } } void TDEHTMLView::viewportMouseDoubleClickEvent( TQMouseEvent *_mouse ) { if(!m_part->xmlDocImpl()) return; int xm, ym; viewportToContents(_mouse->x(), _mouse->y(), xm, ym); kdDebug( 6000 ) << "mouseDblClickEvent: x=" << xm << ", y=" << ym << endl; d->isDoubleClick = true; DOM::NodeImpl::MouseEvent mev( _mouse->stateAfter(), DOM::NodeImpl::MouseDblClick ); m_part->xmlDocImpl()->prepareMouseEvent( false, xm, ym, &mev ); // We do the same thing as viewportMousePressEvent() here, since the DOM does not treat // single and double-click events as separate (only the detail, i.e. number of clicks differs) if (d->clickCount > 0 && TQPoint(d->clickX-xm,d->clickY-ym).manhattanLength() <= TQApplication::startDragDistance()) d->clickCount++; else { // shouldn't happen, if Qt has the same criterias for double clicks. d->clickCount = 1; d->clickX = xm; d->clickY = ym; } bool swallowEvent = dispatchMouseEvent(EventImpl::MOUSEDOWN_EVENT,mev.innerNode.handle(),mev.innerNonSharedNode.handle(),true, d->clickCount,_mouse,true,DOM::NodeImpl::MouseDblClick); tdehtml::RenderObject* r = mev.innerNode.handle() ? mev.innerNode.handle()->renderer() : 0; if (r && r->isWidget()) _mouse->ignore(); if (!swallowEvent) { tdehtml::MouseDoubleClickEvent event( _mouse, xm, ym, mev.url, mev.target, mev.innerNode, d->clickCount ); TQApplication::sendEvent( m_part, &event ); } d->possibleTripleClick=true; TQTimer::singleShot(TQApplication::doubleClickInterval(),this,TQT_SLOT(tripleClickTimeout())); } void TDEHTMLView::tripleClickTimeout() { d->possibleTripleClick = false; d->clickCount = 0; } static inline void forwardPeripheralEvent(tdehtml::RenderWidget* r, TQMouseEvent* me, int x, int y) { int absx = 0; int absy = 0; r->absolutePosition(absx, absy); TQPoint p(x-absx, y-absy); TQMouseEvent fw(me->type(), p, me->button(), me->state()); TQWidget* w = r->widget(); TQScrollView* sc = ::tqqt_cast(w); if (sc && !::tqqt_cast(w)) static_cast(sc)->sendEvent(TQT_TQEVENT(&fw)); else if(w) static_cast(w)->sendEvent(TQT_TQEVENT(&fw)); } static bool targetOpensNewWindow(TDEHTMLPart *part, TQString target) { if (!target.isEmpty() && (target.lower() != "_top") && (target.lower() != "_self") && (target.lower() != "_parent")) { if (target.lower() == "_blank") return true; else { while (part->parentPart()) part = part->parentPart(); if (!part->frameExists(target)) return true; } } return false; } void TDEHTMLView::viewportMouseMoveEvent( TQMouseEvent * _mouse ) { if ( d->m_mouseScrollTimer ) { TQPoint point = mapFromGlobal( _mouse->globalPos() ); int deltaX = point.x() - d->m_mouseScrollIndicator->x() - 24; int deltaY = point.y() - d->m_mouseScrollIndicator->y() - 24; (deltaX > 0) ? d->m_mouseScroll_byX = 1 : d->m_mouseScroll_byX = -1; (deltaY > 0) ? d->m_mouseScroll_byY = 1 : d->m_mouseScroll_byY = -1; double adX = TQABS(deltaX)/30.0; double adY = TQABS(deltaY)/30.0; d->m_mouseScroll_byX = kMax(kMin(d->m_mouseScroll_byX * int(adX*adX), SHRT_MAX), SHRT_MIN); d->m_mouseScroll_byY = kMax(kMin(d->m_mouseScroll_byY * int(adY*adY), SHRT_MAX), SHRT_MIN); if (d->m_mouseScroll_byX == 0 && d->m_mouseScroll_byY == 0) { d->m_mouseScrollTimer->stop(); } else if (!d->m_mouseScrollTimer->isActive()) { d->m_mouseScrollTimer->changeInterval( 20 ); } } if(!m_part->xmlDocImpl()) return; int xm, ym; viewportToContents(_mouse->x(), _mouse->y(), xm, ym); DOM::NodeImpl::MouseEvent mev( _mouse->stateAfter(), DOM::NodeImpl::MouseMove ); // Do not modify :hover/:active state while mouse is pressed. m_part->xmlDocImpl()->prepareMouseEvent( _mouse->state() & Qt::MouseButtonMask /*readonly ?*/, xm, ym, &mev ); // kdDebug(6000) << "mouse move: " << _mouse->pos() // << " button " << _mouse->button() // << " state " << _mouse->state() << endl; bool swallowEvent = dispatchMouseEvent(EventImpl::MOUSEMOVE_EVENT,mev.innerNode.handle(),mev.innerNonSharedNode.handle(),false, 0,_mouse,true,DOM::NodeImpl::MouseMove); if (d->clickCount > 0 && TQPoint(d->clickX-xm,d->clickY-ym).manhattanLength() > TQApplication::startDragDistance()) { d->clickCount = 0; // moving the mouse outside the threshold invalidates the click } // execute the scheduled script. This is to make sure the mouseover events come after the mouseout events m_part->executeScheduledScript(); DOM::NodeImpl* fn = m_part->xmlDocImpl()->focusNode(); if (fn && fn != mev.innerNode.handle() && fn->renderer() && fn->renderer()->isWidget()) { forwardPeripheralEvent(static_cast(fn->renderer()), _mouse, xm, ym); } tdehtml::RenderObject* r = mev.innerNode.handle() ? mev.innerNode.handle()->renderer() : 0; tdehtml::RenderStyle* style = (r && r->style()) ? r->style() : 0; TQCursor c; bool mailtoCursor = false; bool newWindowCursor = false; switch ( style ? style->cursor() : CURSOR_AUTO) { case CURSOR_AUTO: if ( r && r->isText() ) c = KCursor::ibeamCursor(); if ( mev.url.length() && m_part->settings()->changeCursor() ) { c = m_part->urlCursor(); if (mev.url.string().startsWith("mailto:") && mev.url.string().find('@')>0) mailtoCursor = true; else newWindowCursor = targetOpensNewWindow( m_part, mev.target.string() ); } if (r && r->isFrameSet() && !static_cast(r)->noResize()) c = TQCursor(static_cast(r)->cursorShape()); break; case CURSOR_CROSS: c = KCursor::crossCursor(); break; case CURSOR_POINTER: c = m_part->urlCursor(); if (mev.url.string().startsWith("mailto:") && mev.url.string().find('@')>0) mailtoCursor = true; else newWindowCursor = targetOpensNewWindow( m_part, mev.target.string() ); break; case CURSOR_PROGRESS: c = KCursor::workingCursor(); break; case CURSOR_MOVE: c = KCursor::sizeAllCursor(); break; case CURSOR_E_RESIZE: case CURSOR_W_RESIZE: c = KCursor::sizeHorCursor(); break; case CURSOR_N_RESIZE: case CURSOR_S_RESIZE: c = KCursor::sizeVerCursor(); break; case CURSOR_NE_RESIZE: case CURSOR_SW_RESIZE: c = KCursor::sizeBDiagCursor(); break; case CURSOR_NW_RESIZE: case CURSOR_SE_RESIZE: c = KCursor::sizeFDiagCursor(); break; case CURSOR_TEXT: c = KCursor::ibeamCursor(); break; case CURSOR_WAIT: c = KCursor::waitCursor(); break; case CURSOR_HELP: c = KCursor::whatsThisCursor(); break; case CURSOR_DEFAULT: break; } if ( viewport()->cursor().handle() != c.handle() ) { if( c.handle() == KCursor::arrowCursor().handle()) { for (TDEHTMLPart* p = m_part; p; p = p->parentPart()) p->view()->viewport()->unsetCursor(); } else { viewport()->setCursor( c ); } } if ( ( mailtoCursor || newWindowCursor ) && isVisible() && hasFocus() ) { #ifdef Q_WS_X11 TQPixmap icon_pixmap = TDEGlobal::iconLoader()->loadIcon( mailtoCursor ? "mail_generic" : "window-new", TDEIcon::Small, 0, TDEIcon::DefaultState, 0, true ); if (d->cursor_icon_widget) { const TQPixmap *pm = d->cursor_icon_widget->backgroundPixmap(); if (!pm || pm->serialNumber()!=icon_pixmap.serialNumber()) { delete d->cursor_icon_widget; d->cursor_icon_widget = 0; } } if( !d->cursor_icon_widget ) { d->cursor_icon_widget = new TQWidget( NULL, NULL, WX11BypassWM ); XSetWindowAttributes attr; attr.save_under = True; XChangeWindowAttributes( tqt_xdisplay(), d->cursor_icon_widget->winId(), CWSaveUnder, &attr ); d->cursor_icon_widget->resize( icon_pixmap.width(), icon_pixmap.height()); if( icon_pixmap.mask() ) d->cursor_icon_widget->setMask( *icon_pixmap.mask()); else d->cursor_icon_widget->clearMask(); d->cursor_icon_widget->setBackgroundPixmap( icon_pixmap ); d->cursor_icon_widget->erase(); } TQPoint c_pos = TQCursor::pos(); d->cursor_icon_widget->move( c_pos.x() + 15, c_pos.y() + 15 ); XRaiseWindow( tqt_xdisplay(), d->cursor_icon_widget->winId()); TQApplication::flushX(); d->cursor_icon_widget->show(); #endif } else if ( d->cursor_icon_widget ) d->cursor_icon_widget->hide(); if (r && r->isWidget()) { _mouse->ignore(); } d->prevMouseX = xm; d->prevMouseY = ym; if (!swallowEvent) { tdehtml::MouseMoveEvent event( _mouse, xm, ym, mev.url, mev.target, mev.innerNode ); TQApplication::sendEvent( m_part, &event ); } } void TDEHTMLView::viewportMouseReleaseEvent( TQMouseEvent * _mouse ) { bool swallowEvent = false; int xm, ym; viewportToContents(_mouse->x(), _mouse->y(), xm, ym); DOM::NodeImpl::MouseEvent mev( _mouse->stateAfter(), DOM::NodeImpl::MouseRelease ); if ( m_part->xmlDocImpl() ) { m_part->xmlDocImpl()->prepareMouseEvent( false, xm, ym, &mev ); swallowEvent = dispatchMouseEvent(EventImpl::MOUSEUP_EVENT,mev.innerNode.handle(),mev.innerNonSharedNode.handle(),true, d->clickCount,_mouse,false,DOM::NodeImpl::MouseRelease); if (d->clickCount > 0 && TQPoint(d->clickX-xm,d->clickY-ym).manhattanLength() <= TQApplication::startDragDistance()) { TQMouseEvent me(d->isDoubleClick ? TQEvent::MouseButtonDblClick : TQEvent::MouseButtonRelease, _mouse->pos(), _mouse->button(), _mouse->state()); dispatchMouseEvent(EventImpl::CLICK_EVENT, mev.innerNode.handle(),mev.innerNonSharedNode.handle(),true, d->clickCount, &me, true, DOM::NodeImpl::MouseRelease); } DOM::NodeImpl* fn = m_part->xmlDocImpl()->focusNode(); if (fn && fn != mev.innerNode.handle() && fn->renderer() && fn->renderer()->isWidget() && _mouse->button() != Qt::MidButton) { forwardPeripheralEvent(static_cast(fn->renderer()), _mouse, xm, ym); } tdehtml::RenderObject* r = mev.innerNode.handle() ? mev.innerNode.handle()->renderer() : 0; if (r && r->isWidget()) _mouse->ignore(); } if (!swallowEvent) { tdehtml::MouseReleaseEvent event( _mouse, xm, ym, mev.url, mev.target, mev.innerNode ); TQApplication::sendEvent( m_part, &event ); } } // returns true if event should be swallowed bool TDEHTMLView::dispatchKeyEvent( TQKeyEvent *_ke ) { if (!m_part->xmlDocImpl()) return false; // Pressing and releasing a key should generate keydown, keypress and keyup events // Holding it down should generated keydown, keypress (repeatedly) and keyup events // The problem here is that Qt generates two autorepeat events (keyrelease+keypress) // for autorepeating, while DOM wants only one autorepeat event (keypress), so one // of the Qt events shouldn't be passed to DOM, but it should be still filtered // out if DOM would filter the autorepeat event. Additional problem is that Qt keyrelease // events don't have text() set (Qt bug?), so DOM often would ignore the keypress event // if it was created using Qt keyrelease, but Qt autorepeat keyrelease comes // before Qt autorepeat keypress (i.e. problem whether to filter it out or not). // The solution is to filter out and postpone the Qt autorepeat keyrelease until // the following Qt keypress event comes. If DOM accepts the DOM keypress event, // the postponed event will be simply discarded. If not, it will be passed to keyPressEvent() // again, and here it will be ignored. // // Qt: Press | Release(autorepeat) Press(autorepeat) etc. | Release // DOM: Down + Press | (nothing) Press | Up // It's also possible to get only Releases. E.g. the release of alt-tab, // or when the keypresses get captured by an accel. if( _ke == d->postponed_autorepeat ) // replayed event { return false; } if( _ke->type() == TQEvent::KeyPress ) { if( !_ke->isAutoRepeat()) { bool ret = dispatchKeyEventHelper( _ke, false ); // keydown // don't send keypress even if keydown was blocked, like IE (and unlike Mozilla) if( !ret && dispatchKeyEventHelper( _ke, true )) // keypress ret = true; return ret; } else // autorepeat { bool ret = dispatchKeyEventHelper( _ke, true ); // keypress if( !ret && d->postponed_autorepeat ) keyPressEvent( d->postponed_autorepeat ); delete d->postponed_autorepeat; d->postponed_autorepeat = NULL; return ret; } } else // TQEvent::KeyRelease { // Discard postponed "autorepeat key-release" events that didn't see // a keypress after them (e.g. due to TQAccel) if ( d->postponed_autorepeat ) { delete d->postponed_autorepeat; d->postponed_autorepeat = 0; } if( !_ke->isAutoRepeat()) { return dispatchKeyEventHelper( _ke, false ); // keyup } else { d->postponed_autorepeat = new TQKeyEvent( _ke->type(), _ke->key(), _ke->ascii(), _ke->state(), _ke->text(), _ke->isAutoRepeat(), _ke->count()); if( _ke->isAccepted()) d->postponed_autorepeat->accept(); else d->postponed_autorepeat->ignore(); return true; } } } // returns true if event should be swallowed bool TDEHTMLView::dispatchKeyEventHelper( TQKeyEvent *_ke, bool keypress ) { DOM::NodeImpl* keyNode = m_part->xmlDocImpl()->focusNode(); if (keyNode) { return keyNode->dispatchKeyEvent(_ke, keypress); } else { // no focused node, send to document return m_part->xmlDocImpl()->dispatchKeyEvent(_ke, keypress); } } void TDEHTMLView::keyPressEvent( TQKeyEvent *_ke ) { #ifndef TDEHTML_NO_TYPE_AHEAD_FIND if(d->typeAheadActivated) { // type-ahead find aka find-as-you-type if(_ke->key() == Key_BackSpace) { d->findString = d->findString.left(d->findString.length() - 1); if(!d->findString.isEmpty()) { findAhead(false); } else { findTimeout(); } d->timer.start(3000, true); _ke->accept(); return; } else if(_ke->key() == Key_Escape) { findTimeout(); _ke->accept(); return; } else if(_ke->key() == Key_Space || !TQString(_ke->text()).stripWhiteSpace().isEmpty()) { d->findString += _ke->text(); findAhead(true); d->timer.start(3000, true); _ke->accept(); return; } } #endif // TDEHTML_NO_TYPE_AHEAD_FIND #ifndef TDEHTML_NO_CARET if (m_part->isEditable() || m_part->isCaretMode() || (m_part->xmlDocImpl() && m_part->xmlDocImpl()->focusNode() && m_part->xmlDocImpl()->focusNode()->contentEditable())) { d->caretViewContext()->keyReleasePending = true; caretKeyPressEvent(_ke); return; } #endif // TDEHTML_NO_CARET // If CTRL was hit, be prepared for access keys if (d->accessKeysEnabled && _ke->key() == Key_Control && _ke->state()==0 && !d->accessKeysActivated) { d->accessKeysPreActivate=true; _ke->accept(); return; } if (_ke->key() == Key_Shift && _ke->state()==0) d->scrollSuspendPreActivate=true; // accesskey handling needs to be done before dispatching, otherwise e.g. lineedits // may eat the event if (d->accessKeysEnabled && d->accessKeysActivated) { int state = ( _ke->state() & ( ShiftButton | ControlButton | AltButton | MetaButton )); if ( state==0 || state==ShiftButton) { if (_ke->key() != Key_Shift) accessKeysTimeout(); handleAccessKey( _ke ); _ke->accept(); return; } accessKeysTimeout(); } if ( dispatchKeyEvent( _ke )) { // If either keydown or keypress was accepted by a widget, or canceled by JS, stop here. _ke->accept(); return; } int offs = (clipper()->height() < 30) ? clipper()->height() : 30; if (_ke->state() & TQt::ShiftButton) switch(_ke->key()) { case Key_Space: scrollBy( 0, -clipper()->height() + offs ); if(d->scrollSuspended) d->newScrollTimer(this, 0); break; case Key_Down: case Key_J: d->adjustScroller(this, TDEHTMLViewPrivate::ScrollDown, TDEHTMLViewPrivate::ScrollUp); break; case Key_Up: case Key_K: d->adjustScroller(this, TDEHTMLViewPrivate::ScrollUp, TDEHTMLViewPrivate::ScrollDown); break; case Key_Left: case Key_H: d->adjustScroller(this, TDEHTMLViewPrivate::ScrollLeft, TDEHTMLViewPrivate::ScrollRight); break; case Key_Right: case Key_L: d->adjustScroller(this, TDEHTMLViewPrivate::ScrollRight, TDEHTMLViewPrivate::ScrollLeft); break; } else switch ( _ke->key() ) { case Key_Down: case Key_J: if (!d->scrollTimerId || d->scrollSuspended) scrollBy( 0, 10 * _ke->count() ); if (d->scrollTimerId) d->newScrollTimer(this, 0); break; case Key_Space: case Key_Next: scrollBy( 0, clipper()->height() - offs ); if(d->scrollSuspended) d->newScrollTimer(this, 0); break; case Key_Up: case Key_K: if (!d->scrollTimerId || d->scrollSuspended) scrollBy( 0, -10 * _ke->count()); if (d->scrollTimerId) d->newScrollTimer(this, 0); break; case Key_Prior: scrollBy( 0, -clipper()->height() + offs ); if(d->scrollSuspended) d->newScrollTimer(this, 0); break; case Key_Right: case Key_L: if (!d->scrollTimerId || d->scrollSuspended) scrollBy( 10 * _ke->count(), 0 ); if (d->scrollTimerId) d->newScrollTimer(this, 0); break; case Key_Left: case Key_H: if (!d->scrollTimerId || d->scrollSuspended) scrollBy( -10 * _ke->count(), 0 ); if (d->scrollTimerId) d->newScrollTimer(this, 0); break; case Key_Enter: case Key_Return: // ### FIXME: // or even better to HTMLAnchorElementImpl::event() if (m_part->xmlDocImpl()) { NodeImpl *n = m_part->xmlDocImpl()->focusNode(); if (n) n->setActive(); } break; case Key_Home: setContentsPos( 0, 0 ); if(d->scrollSuspended) d->newScrollTimer(this, 0); break; case Key_End: setContentsPos( 0, contentsHeight() - visibleHeight() ); if(d->scrollSuspended) d->newScrollTimer(this, 0); break; case Key_Shift: // what are you doing here? _ke->ignore(); return; default: if (d->scrollTimerId) d->newScrollTimer(this, 0); _ke->ignore(); return; } _ke->accept(); } void TDEHTMLView::findTimeout() { #ifndef TDEHTML_NO_TYPE_AHEAD_FIND d->typeAheadActivated = false; d->findString = ""; m_part->setStatusBarText(i18n("Find stopped."), TDEHTMLPart::BarDefaultText); m_part->enableFindAheadActions( true ); #endif // TDEHTML_NO_TYPE_AHEAD_FIND } #ifndef TDEHTML_NO_TYPE_AHEAD_FIND void TDEHTMLView::startFindAhead( bool linksOnly ) { if( linksOnly ) { d->findLinksOnly = true; m_part->setStatusBarText(i18n("Starting -- find links as you type"), TDEHTMLPart::BarDefaultText); } else { d->findLinksOnly = false; m_part->setStatusBarText(i18n("Starting -- find text as you type"), TDEHTMLPart::BarDefaultText); } m_part->findTextBegin(); d->typeAheadActivated = true; // disable, so that the shortcut ( / or ' by default ) doesn't interfere m_part->enableFindAheadActions( false ); d->timer.start(3000, true); } void TDEHTMLView::findAhead(bool increase) { TQString status; if(d->findLinksOnly) { m_part->findText(d->findString, TDEHTMLPart::FindNoPopups | TDEHTMLPart::FindLinksOnly, this); if(m_part->findTextNext()) { status = i18n("Link found: \"%1\"."); } else { if(increase) KNotifyClient::beep(); status = i18n("Link not found: \"%1\"."); } } else { m_part->findText(d->findString, TDEHTMLPart::FindNoPopups, this); if(m_part->findTextNext()) { status = i18n("Text found: \"%1\"."); } else { if(increase) KNotifyClient::beep(); status = i18n("Text not found: \"%1\"."); } } m_part->setStatusBarText(status.arg(d->findString.lower()), TDEHTMLPart::BarDefaultText); } void TDEHTMLView::updateFindAheadTimeout() { if( d->typeAheadActivated ) d->timer.start( 3000, true ); } #endif // TDEHTML_NO_TYPE_AHEAD_FIND void TDEHTMLView::keyReleaseEvent(TQKeyEvent *_ke) { #ifndef TDEHTML_NO_TYPE_AHEAD_FIND if(d->typeAheadActivated) { _ke->accept(); return; } #endif if (d->m_caretViewContext && d->m_caretViewContext->keyReleasePending) { //caretKeyReleaseEvent(_ke); d->m_caretViewContext->keyReleasePending = false; return; } if( d->scrollSuspendPreActivate && _ke->key() != Key_Shift ) d->scrollSuspendPreActivate = false; if( _ke->key() == Key_Shift && d->scrollSuspendPreActivate && _ke->state() == TQt::ShiftButton && !(TDEApplication::keyboardMouseState() & TQt::ShiftButton)) { if (d->scrollTimerId) { d->scrollSuspended = !d->scrollSuspended; #ifndef NO_SMOOTH_SCROLL_HACK if( d->scrollSuspended ) stopScrolling(); #endif } } if (d->accessKeysEnabled) { if (d->accessKeysPreActivate && _ke->key() != Key_Control) d->accessKeysPreActivate=false; if (d->accessKeysPreActivate && _ke->state() == TQt::ControlButton && !(TDEApplication::keyboardMouseState() & TQt::ControlButton)) { displayAccessKeys(); m_part->setStatusBarText(i18n("Access Keys activated"),TDEHTMLPart::BarOverrideText); d->accessKeysActivated = true; d->accessKeysPreActivate = false; _ke->accept(); return; } else if (d->accessKeysActivated) { accessKeysTimeout(); _ke->accept(); return; } } // Send keyup event if ( dispatchKeyEvent( _ke ) ) { _ke->accept(); return; } TQScrollView::keyReleaseEvent(_ke); } void TDEHTMLView::contentsContextMenuEvent ( TQContextMenuEvent * /*ce*/ ) { // ### what kind of c*** is that ? #if 0 if (!m_part->xmlDocImpl()) return; int xm = _ce->x(); int ym = _ce->y(); DOM::NodeImpl::MouseEvent mev( _ce->state(), DOM::NodeImpl::MouseMove ); // ### not a mouse event! m_part->xmlDocImpl()->prepareMouseEvent( xm, ym, &mev ); NodeImpl *targetNode = mev.innerNode.handle(); if (targetNode && targetNode->renderer() && targetNode->renderer()->isWidget()) { int absx = 0; int absy = 0; targetNode->renderer()->absolutePosition(absx,absy); TQPoint pos(xm-absx,ym-absy); TQWidget *w = static_cast(targetNode->renderer())->widget(); TQContextMenuEvent cme(_ce->reason(),pos,_ce->globalPos(),_ce->state()); setIgnoreEvents(true); TQApplication::sendEvent(w,&cme); setIgnoreEvents(false); } #endif } bool TDEHTMLView::focusNextPrevChild( bool next ) { // Now try to find the next child if (m_part->xmlDocImpl() && focusNextPrevNode(next)) { if (m_part->xmlDocImpl()->focusNode()) kdDebug() << "focusNode.name: " << m_part->xmlDocImpl()->focusNode()->nodeName().string() << endl; return true; // focus node found } // If we get here, pass tabbing control up to the next/previous child in our parent d->pseudoFocusNode = TDEHTMLViewPrivate::PFNone; if (m_part->parentPart() && m_part->parentPart()->view()) return m_part->parentPart()->view()->focusNextPrevChild(next); return TQWidget::focusNextPrevChild(next); } void TDEHTMLView::doAutoScroll() { TQPoint pos = TQCursor::pos(); pos = viewport()->mapFromGlobal( pos ); int xm, ym; viewportToContents(pos.x(), pos.y(), xm, ym); pos = TQPoint(pos.x() - viewport()->x(), pos.y() - viewport()->y()); if ( (pos.y() < 0) || (pos.y() > visibleHeight()) || (pos.x() < 0) || (pos.x() > visibleWidth()) ) { ensureVisible( xm, ym, 0, 5 ); #ifndef TDEHTML_NO_SELECTION // extend the selection while scrolling DOM::Node innerNode; if (m_part->isExtendingSelection()) { RenderObject::NodeInfo renderInfo(true/*readonly*/, false/*active*/); m_part->xmlDocImpl()->renderer()->layer() ->nodeAtPoint(renderInfo, xm, ym); innerNode = renderInfo.innerNode(); }/*end if*/ if (innerNode.handle() && innerNode.handle()->renderer()) { int absX, absY; innerNode.handle()->renderer()->absolutePosition(absX, absY); m_part->extendSelectionTo(xm, ym, absX, absY, innerNode); }/*end if*/ #endif // TDEHTML_NO_SELECTION } } class HackWidget : public TQWidget { public: inline void setNoErase() { setWFlags(getWFlags()|WRepaintNoErase); } }; bool TDEHTMLView::eventFilter(TQObject *o, TQEvent *e) { if ( e->type() == TQEvent::AccelOverride ) { TQKeyEvent* ke = (TQKeyEvent*) e; //kdDebug(6200) << "TQEvent::AccelOverride" << endl; if (m_part->isEditable() || m_part->isCaretMode() || (m_part->xmlDocImpl() && m_part->xmlDocImpl()->focusNode() && m_part->xmlDocImpl()->focusNode()->contentEditable())) { //kdDebug(6200) << "editable/navigable" << endl; if ( (ke->state() & ControlButton) || (ke->state() & ShiftButton) ) { switch ( ke->key() ) { case Key_Left: case Key_Right: case Key_Up: case Key_Down: case Key_Home: case Key_End: ke->accept(); //kdDebug(6200) << "eaten" << endl; return true; default: break; } } } } if ( e->type() == TQEvent::Leave ) { if ( d->cursor_icon_widget ) d->cursor_icon_widget->hide(); m_part->resetHoverText(); } TQWidget *view = viewport(); if (TQT_BASE_OBJECT(o) == TQT_BASE_OBJECT(view)) { // we need to install an event filter on all children of the viewport to // be able to get correct stacking of children within the document. if(e->type() == TQEvent::ChildInserted) { TQObject *c = TQT_TQOBJECT(TQT_TQCHILDEVENT(e)->child()); if (c->isWidgetType()) { TQWidget *w = TQT_TQWIDGET(c); // don't install the event filter on toplevels if (w->parentWidget(true) == view) { if (!strcmp(w->name(), "__tdehtml")) { w->installEventFilter(this); w->unsetCursor(); if (!::tqqt_cast(w)) w->setBackgroundMode( TQWidget::NoBackground ); static_cast(w)->setNoErase(); if (!w->childrenListObject().isEmpty()) { TQObjectListIterator it(w->childrenListObject()); for (; it.current(); ++it) { TQWidget *widget = ::tqqt_cast(it.current()); if (widget && !widget->isTopLevel()) { if (!::tqqt_cast(w)) widget->setBackgroundMode( TQWidget::NoBackground ); static_cast(widget)->setNoErase(); widget->installEventFilter(this); } } } } } } } } else if (o->isWidgetType()) { TQWidget *v = TQT_TQWIDGET(o); TQWidget *c = v; while (v && v != view) { c = v; v = v->parentWidget(true); } if (v && !strcmp(c->name(), "__tdehtml")) { bool block = false; TQWidget *w = TQT_TQWIDGET(o); switch(e->type()) { case TQEvent::Paint: if (!allowWidgetPaintEvents) { // eat the event. Like this we can control exactly when the widget // get's repainted. block = true; int x = 0, y = 0; TQWidget *v = w; while (v && v != view) { x += v->x(); y += v->y(); v = v->parentWidget(); } viewportToContents( x, y, x, y ); TQPaintEvent *pe = TQT_TQPAINTEVENT(e); bool asap = !d->contentsMoving && ::tqqt_cast(c); // TQScrollView needs fast repaints if ( asap && !d->painting && m_part->xmlDocImpl() && m_part->xmlDocImpl()->renderer() && !static_cast(m_part->xmlDocImpl()->renderer())->needsLayout() ) { repaintContents(x + pe->rect().x(), y + pe->rect().y(), pe->rect().width(), pe->rect().height(), true); } else { scheduleRepaint(x + pe->rect().x(), y + pe->rect().y(), pe->rect().width(), pe->rect().height(), asap); } } break; case TQEvent::MouseMove: case TQEvent::MouseButtonPress: case TQEvent::MouseButtonRelease: case TQEvent::MouseButtonDblClick: { if ( (w->parentWidget() == view || ::tqqt_cast(c)) && !::tqqt_cast(w)) { TQMouseEvent *me = TQT_TQMOUSEEVENT(e); TQPoint pt = w->mapTo( view, me->pos()); TQMouseEvent me2(me->type(), pt, me->button(), me->state()); if (e->type() == TQEvent::MouseMove) viewportMouseMoveEvent(&me2); else if(e->type() == TQEvent::MouseButtonPress) viewportMousePressEvent(&me2); else if(e->type() == TQEvent::MouseButtonRelease) viewportMouseReleaseEvent(&me2); else viewportMouseDoubleClickEvent(&me2); block = true; } break; } case TQEvent::KeyPress: case TQEvent::KeyRelease: if (w->parentWidget() == view && !::tqqt_cast(w)) { TQKeyEvent *ke = TQT_TQKEYEVENT(e); if (e->type() == TQEvent::KeyPress) keyPressEvent(ke); else keyReleaseEvent(ke); block = true; } default: break; } if (block) { //tqDebug("eating event"); return true; } } } // kdDebug(6000) <<"passing event on to sv event filter object=" << o->className() << " event=" << e->type() << endl; return TQScrollView::eventFilter(o, e); } DOM::NodeImpl *TDEHTMLView::nodeUnderMouse() const { return d->underMouse; } DOM::NodeImpl *TDEHTMLView::nonSharedNodeUnderMouse() const { return d->underMouseNonShared; } bool TDEHTMLView::scrollTo(const TQRect &bounds) { d->scrollingSelf = true; // so scroll events get ignored int x, y, xe, ye; x = bounds.left(); y = bounds.top(); xe = bounds.right(); ye = bounds.bottom(); //kdDebug(6000)<<"scrolling coords: x="<pseudoFocusNode == TDEHTMLViewPrivate::PFTop ) newFocusNode = doc->nextFocusNode(oldFocusNode); } else { if (oldFocusNode || d->pseudoFocusNode == TDEHTMLViewPrivate::PFBottom ) newFocusNode = doc->previousFocusNode(oldFocusNode); } bool targetVisible = false; if (!newFocusNode) { if ( next ) { targetVisible = scrollTo(TQRect(contentsX()+visibleWidth()/2,contentsHeight()-d->borderY,0,0)); } else { targetVisible = scrollTo(TQRect(contentsX()+visibleWidth()/2,d->borderY,0,0)); } } else { #ifndef TDEHTML_NO_CARET // if it's an editable element, activate the caret if (!m_part->isCaretMode() && !m_part->isEditable() && newFocusNode->contentEditable()) { d->caretViewContext(); moveCaretTo(newFocusNode, 0L, true); } else { caretOff(); } #endif // TDEHTML_NO_CARET targetVisible = scrollTo(newFocusNode->getRect()); } if (targetVisible) { //kdDebug ( 6000 ) << " target reached.\n"; d->tabMovePending = false; m_part->xmlDocImpl()->setFocusNode(newFocusNode); if (newFocusNode) { Node guard(newFocusNode); if (!newFocusNode->hasOneRef() ) { emit m_part->nodeActivated(Node(newFocusNode)); } return true; } else { d->pseudoFocusNode = next?TDEHTMLViewPrivate::PFBottom:TDEHTMLViewPrivate::PFTop; return false; } } else { if (!d->tabMovePending) d->lastTabbingDirection = next; d->tabMovePending = true; return true; } } void TDEHTMLView::displayAccessKeys() { TQValueVector< TQChar > taken; displayAccessKeys( NULL, this, taken, false ); displayAccessKeys( NULL, this, taken, true ); } void TDEHTMLView::displayAccessKeys( TDEHTMLView* caller, TDEHTMLView* origview, TQValueVector< TQChar >& taken, bool use_fallbacks ) { TQMap< ElementImpl*, TQChar > fallbacks; if( use_fallbacks ) fallbacks = buildFallbackAccessKeys(); for( NodeImpl* n = m_part->xmlDocImpl(); n != NULL; n = n->traverseNextNode()) { if( n->isElementNode()) { ElementImpl* en = static_cast< ElementImpl* >( n ); DOMString s = en->getAttribute( ATTR_ACCESSKEY ); TQString accesskey; if( s.length() == 1 ) { TQChar a = s.string()[ 0 ].upper(); if( tqFind( taken.begin(), taken.end(), a ) == taken.end()) // !contains accesskey = a; } if( accesskey.isNull() && fallbacks.contains( en )) { TQChar a = fallbacks[ en ].upper(); if( tqFind( taken.begin(), taken.end(), a ) == taken.end()) // !contains accesskey = TQString( "" ) + a + ""; } if( !accesskey.isNull()) { TQRect rec=en->getRect(); TQLabel *lab=new TQLabel(accesskey,viewport(),0,(WFlags)WDestructiveClose); connect( origview, TQT_SIGNAL(hideAccessKeys()), lab, TQT_SLOT(close()) ); connect( this, TQT_SIGNAL(repaintAccessKeys()), lab, TQT_SLOT(repaint())); lab->setPalette(TQToolTip::palette()); lab->setLineWidth(2); lab->setFrameStyle(TQFrame::Box | TQFrame::Plain); lab->setMargin(3); lab->adjustSize(); addChild(lab, KMIN(rec.left()+rec.width()/2, contentsWidth() - lab->width()), KMIN(rec.top()+rec.height()/2, contentsHeight() - lab->height())); showChild(lab); taken.append( accesskey[ 0 ] ); } } } if( use_fallbacks ) return; TQPtrList frames = m_part->frames(); for( TQPtrListIterator it( frames ); it != NULL; ++it ) { if( !(*it)->inherits( "TDEHTMLPart" )) continue; TDEHTMLPart* part = static_cast< TDEHTMLPart* >( *it ); if( part->view() && part->view() != caller ) part->view()->displayAccessKeys( this, origview, taken, use_fallbacks ); } // pass up to the parent if (m_part->parentPart() && m_part->parentPart()->view() && m_part->parentPart()->view() != caller) m_part->parentPart()->view()->displayAccessKeys( this, origview, taken, use_fallbacks ); } void TDEHTMLView::accessKeysTimeout() { d->accessKeysActivated=false; d->accessKeysPreActivate = false; m_part->setStatusBarText(TQString::null, TDEHTMLPart::BarOverrideText); emit hideAccessKeys(); } // Handling of the HTML accesskey attribute. bool TDEHTMLView::handleAccessKey( const TQKeyEvent* ev ) { // Qt interprets the keyevent also with the modifiers, and ev->text() matches that, // but this code must act as if the modifiers weren't pressed TQChar c; if( ev->key() >= Key_A && ev->key() <= Key_Z ) c = 'A' + ev->key() - Key_A; else if( ev->key() >= Key_0 && ev->key() <= Key_9 ) c = '0' + ev->key() - Key_0; else { // TODO fake XKeyEvent and XLookupString ? // This below seems to work e.g. for eacute though. if( ev->text().length() == 1 ) c = ev->text()[ 0 ]; } if( c.isNull()) return false; return focusNodeWithAccessKey( c ); } bool TDEHTMLView::focusNodeWithAccessKey( TQChar c, TDEHTMLView* caller ) { DocumentImpl *doc = m_part->xmlDocImpl(); if( !doc ) return false; ElementImpl* node = doc->findAccessKeyElement( c ); if( !node ) { TQPtrList frames = m_part->frames(); for( TQPtrListIterator it( frames ); it != NULL; ++it ) { if( !(*it)->inherits( "TDEHTMLPart" )) continue; TDEHTMLPart* part = static_cast< TDEHTMLPart* >( *it ); if( part->view() && part->view() != caller && part->view()->focusNodeWithAccessKey( c, this )) return true; } // pass up to the parent if (m_part->parentPart() && m_part->parentPart()->view() && m_part->parentPart()->view() != caller && m_part->parentPart()->view()->focusNodeWithAccessKey( c, this )) return true; if( caller == NULL ) { // the active frame (where the accesskey was pressed) TQMap< ElementImpl*, TQChar > fallbacks = buildFallbackAccessKeys(); for( TQMap< ElementImpl*, TQChar >::ConstIterator it = fallbacks.begin(); it != fallbacks.end(); ++it ) if( *it == c ) { node = it.key(); break; } } if( node == NULL ) return false; } // Scroll the view as necessary to ensure that the new focus node is visible #ifndef TDEHTML_NO_CARET // if it's an editable element, activate the caret if (!m_part->isCaretMode() && !m_part->isEditable() && node->contentEditable()) { d->caretViewContext(); moveCaretTo(node, 0L, true); } else { caretOff(); } #endif // TDEHTML_NO_CARET TQRect r = node->getRect(); ensureVisible( r.right(), r.bottom()); ensureVisible( r.left(), r.top()); Node guard( node ); if( node->isFocusable()) { if (node->id()==ID_LABEL) { // if Accesskey is a label, give focus to the label's referrer. node=static_cast(static_cast< HTMLLabelElementImpl* >( node )->getFormElement()); if (!node) return true; guard = node; } // Set focus node on the document #ifdef USE_QT4 m_part->xmlDocImpl()->setFocusNode(node); #else // USE_QT4 TQFocusEvent::setReason( TQFocusEvent::Shortcut ); m_part->xmlDocImpl()->setFocusNode(node); TQFocusEvent::resetReason(); #endif // USE_QT4 if( node != NULL && node->hasOneRef()) // deleted, only held by guard return true; emit m_part->nodeActivated(Node(node)); if( node != NULL && node->hasOneRef()) return true; } switch( node->id()) { case ID_A: static_cast< HTMLAnchorElementImpl* >( node )->click(); break; case ID_INPUT: static_cast< HTMLInputElementImpl* >( node )->click(); break; case ID_BUTTON: static_cast< HTMLButtonElementImpl* >( node )->click(); break; case ID_AREA: static_cast< HTMLAreaElementImpl* >( node )->click(); break; case ID_TEXTAREA: break; // just focusing it is enough case ID_LEGEND: // TODO break; } return true; } static TQString getElementText( NodeImpl* start, bool after ) { TQString ret; // nextSibling(), to go after e.g. for( NodeImpl* n = after ? start->nextSibling() : start->traversePreviousNode(); n != NULL; n = after ? n->traverseNextNode() : n->traversePreviousNode()) { if( n->isTextNode()) { if( after ) ret += static_cast< TextImpl* >( n )->toString().string(); else ret.prepend( static_cast< TextImpl* >( n )->toString().string()); } else { switch( n->id()) { case ID_A: case ID_FONT: case ID_TT: case ID_U: case ID_B: case ID_I: case ID_S: case ID_STRIKE: case ID_BIG: case ID_SMALL: case ID_EM: case ID_STRONG: case ID_DFN: case ID_CODE: case ID_SAMP: case ID_KBD: case ID_VAR: case ID_CITE: case ID_ABBR: case ID_ACRONYM: case ID_SUB: case ID_SUP: case ID_SPAN: case ID_NOBR: case ID_WBR: break; case ID_TD: if( ret.stripWhiteSpace().isEmpty()) break; // fall through default: return ret.simplifyWhiteSpace(); } } } return ret.simplifyWhiteSpace(); } static TQMap< NodeImpl*, TQString > buildLabels( NodeImpl* start ) { TQMap< NodeImpl*, TQString > ret; for( NodeImpl* n = start; n != NULL; n = n->traverseNextNode()) { if( n->id() == ID_LABEL ) { HTMLLabelElementImpl* label = static_cast< HTMLLabelElementImpl* >( n ); NodeImpl* labelfor = label->getFormElement(); if( labelfor ) ret[ labelfor ] = label->innerText().string().simplifyWhiteSpace(); } } return ret; } namespace tdehtml { struct AccessKeyData { ElementImpl* element; TQString text; TQString url; int priority; // 10(highest) - 0(lowest) }; } TQMap< ElementImpl*, TQChar > TDEHTMLView::buildFallbackAccessKeys() const { // build a list of all possible candidate elements that could use an accesskey TQValueList< AccessKeyData > data; TQMap< NodeImpl*, TQString > labels = buildLabels( m_part->xmlDocImpl()); for( NodeImpl* n = m_part->xmlDocImpl(); n != NULL; n = n->traverseNextNode()) { if( n->isElementNode()) { ElementImpl* element = static_cast< ElementImpl* >( n ); if( element->getAttribute( ATTR_ACCESSKEY ).length() == 1 ) continue; // has accesskey set, ignore if( element->renderer() == NULL ) continue; // not visible TQString text; TQString url; int priority = 0; bool ignore = false; bool text_after = false; bool text_before = false; switch( element->id()) { case ID_A: url = tdehtml::parseURL(element->getAttribute(ATTR_HREF)).string(); if( url.isEmpty()) // doesn't have href, it's only an anchor continue; text = static_cast< HTMLElementImpl* >( element )->innerText().string().simplifyWhiteSpace(); priority = 2; break; case ID_INPUT: { HTMLInputElementImpl* in = static_cast< HTMLInputElementImpl* >( element ); switch( in->inputType()) { case HTMLInputElementImpl::SUBMIT: text = in->value().string(); if( text.isEmpty()) text = i18n( "Submit" ); priority = 7; break; case HTMLInputElementImpl::IMAGE: text = in->altText().string(); priority = 7; break; case HTMLInputElementImpl::BUTTON: text = in->value().string(); priority = 5; break; case HTMLInputElementImpl::RESET: text = in->value().string(); if( text.isEmpty()) text = i18n( "Reset" ); priority = 5; break; case HTMLInputElementImpl::HIDDEN: ignore = true; break; case HTMLInputElementImpl::CHECKBOX: case HTMLInputElementImpl::RADIO: text_after = true; priority = 5; break; case HTMLInputElementImpl::TEXT: case HTMLInputElementImpl::PASSWORD: case HTMLInputElementImpl::FILE: text_before = true; priority = 5; break; default: priority = 5; break; } break; } case ID_BUTTON: text = static_cast< HTMLElementImpl* >( element )->innerText().string().simplifyWhiteSpace(); switch( static_cast< HTMLButtonElementImpl* >( element )->buttonType()) { case HTMLButtonElementImpl::SUBMIT: if( text.isEmpty()) text = i18n( "Submit" ); priority = 7; break; case HTMLButtonElementImpl::RESET: if( text.isEmpty()) text = i18n( "Reset" ); priority = 5; break; default: priority = 5; break; break; } case ID_SELECT: // these don't have accesskey attribute, but quick access may be handy text_before = true; text_after = true; priority = 5; break; case ID_FRAME: ignore = true; break; default: ignore = !element->isFocusable(); priority = 2; break; } if( ignore ) continue; if( text.isNull() && labels.contains( element )) text = labels[ element ]; if( text.isNull() && text_before ) text = getElementText( element, false ); if( text.isNull() && text_after ) text = getElementText( element, true ); text = text.stripWhiteSpace(); // increase priority of items which have explicitly specified accesskeys in the config TQValueList< TQPair< TQString, TQChar > > priorities = m_part->settings()->fallbackAccessKeysAssignments(); for( TQValueList< TQPair< TQString, TQChar > >::ConstIterator it = priorities.begin(); it != priorities.end(); ++it ) { if( text == (*it).first ) priority = 10; } AccessKeyData tmp = { element, text, url, priority }; data.append( tmp ); } } TQValueList< TQChar > keys; for( char c = 'A'; c <= 'Z'; ++c ) keys << c; for( char c = '0'; c <= '9'; ++c ) keys << c; for( NodeImpl* n = m_part->xmlDocImpl(); n != NULL; n = n->traverseNextNode()) { if( n->isElementNode()) { ElementImpl* en = static_cast< ElementImpl* >( n ); DOMString s = en->getAttribute( ATTR_ACCESSKEY ); if( s.length() == 1 ) { TQChar c = s.string()[ 0 ].upper(); keys.remove( c ); // remove manually assigned accesskeys } } } TQMap< ElementImpl*, TQChar > ret; for( int priority = 10; priority >= 0; --priority ) { for( TQValueList< AccessKeyData >::Iterator it = data.begin(); it != data.end(); ) { if( (*it).priority != priority ) { ++it; continue; } if( keys.isEmpty()) break; TQString text = (*it).text; TQChar key; if( key.isNull() && !text.isEmpty()) { TQValueList< TQPair< TQString, TQChar > > priorities = m_part->settings()->fallbackAccessKeysAssignments(); for( TQValueList< TQPair< TQString, TQChar > >::ConstIterator it = priorities.begin(); it != priorities.end(); ++it ) if( text == (*it).first && keys.contains( (*it).second )) { key = (*it).second; break; } } // try first to select the first character as the accesskey, // then first character of the following words, // and then simply the first free character if( key.isNull() && !text.isEmpty()) { TQStringList words = TQStringList::split( ' ', text ); for( TQStringList::ConstIterator it = words.begin(); it != words.end(); ++it ) { if( keys.contains( (*it)[ 0 ].upper())) { key = (*it)[ 0 ].upper(); break; } } } if( key.isNull() && !text.isEmpty()) { for( unsigned int i = 0; i < text.length(); ++i ) { if( keys.contains( text[ i ].upper())) { key = text[ i ].upper(); break; } } } if( key.isNull()) key = keys.front(); ret[ (*it).element ] = key; keys.remove( key ); TQString url = (*it).url; it = data.remove( it ); // assign the same accesskey also to other elements pointing to the same url if( !url.isEmpty() && !url.startsWith( "javascript:", false )) { for( TQValueList< AccessKeyData >::Iterator it2 = data.begin(); it2 != data.end(); ) { if( (*it2).url == url ) { ret[ (*it2).element ] = key; if( it == it2 ) ++it; it2 = data.remove( it2 ); } else ++it2; } } } } return ret; } void TDEHTMLView::setMediaType( const TQString &medium ) { m_medium = medium; } TQString TDEHTMLView::mediaType() const { return m_medium; } bool TDEHTMLView::pagedMode() const { return d->paged; } void TDEHTMLView::setWidgetVisible(RenderWidget* w, bool vis) { if (vis) { d->visibleWidgets.replace(w, w->widget()); } else d->visibleWidgets.remove(w); } bool TDEHTMLView::needsFullRepaint() const { return d->needsFullRepaint; } void TDEHTMLView::print() { print( false ); } void TDEHTMLView::print(bool quick) { if(!m_part->xmlDocImpl()) return; tdehtml::RenderCanvas *root = static_cast(m_part->xmlDocImpl()->renderer()); if(!root) return; KPrinter *printer = new KPrinter(true, TQPrinter::ScreenResolution); printer->addDialogPage(new TDEHTMLPrintSettings()); TQString docname = m_part->xmlDocImpl()->URL().prettyURL(); if ( !docname.isEmpty() ) docname = KStringHandler::csqueeze(docname, 80); if(quick || printer->setup(this, i18n("Print %1").arg(docname))) { viewport()->setCursor( tqwaitCursor ); // only viewport(), no TQApplication::, otherwise we get the busy cursor in tdeprint's dialogs // set up KPrinter printer->setFullPage(false); printer->setCreator(TQString("TDE %1.%2.%3 HTML Library").arg(TDE_VERSION_MAJOR).arg(TDE_VERSION_MINOR).arg(TDE_VERSION_RELEASE)); printer->setDocName(docname); TQPainter *p = new TQPainter; p->begin( printer ); tdehtml::setPrintPainter( p ); m_part->xmlDocImpl()->setPaintDevice( printer ); TQString oldMediaType = mediaType(); setMediaType( "print" ); // We ignore margin settings for html and body when printing // and use the default margins from the print-system // (In Qt 3.0.x the default margins are hardcoded in Qt) m_part->xmlDocImpl()->setPrintStyleSheet( printer->option("app-khtml-printfriendly") == "true" ? "* { background-image: none !important;" " background-color: white !important;" " color: black !important; }" "body { margin: 0px !important; }" "html { margin: 0px !important; }" : "body { margin: 0px !important; }" "html { margin: 0px !important; }" ); TQPaintDeviceMetrics metrics( printer ); kdDebug(6000) << "printing: physical page width = " << metrics.width() << " height = " << metrics.height() << endl; root->setStaticMode(true); root->setPagedMode(true); root->setWidth(metrics.width()); // root->setHeight(metrics.height()); root->setPageTop(0); root->setPageBottom(0); d->paged = true; m_part->xmlDocImpl()->styleSelector()->computeFontSizes(&metrics, 100); m_part->xmlDocImpl()->updateStyleSelector(); root->setPrintImages( printer->option("app-khtml-printimages") == "true"); root->makePageBreakAvoidBlocks(); root->setNeedsLayoutAndMinMaxRecalc(); root->layout(); tdehtml::RenderWidget::flushWidgetResizes(); // make sure widgets have their final size // check sizes ask for action.. (scale or clip) bool printHeader = (printer->option("app-khtml-printheader") == "true"); int headerHeight = 0; TQFont headerFont("Sans Serif", 8); TQString headerLeft = TDEGlobal::locale()->formatDate(TQDate::currentDate(),true); TQString headerMid = docname; TQString headerRight; if (printHeader) { p->setFont(headerFont); headerHeight = (p->fontMetrics().lineSpacing() * 3) / 2; } // ok. now print the pages. kdDebug(6000) << "printing: html page width = " << root->docWidth() << " height = " << root->docHeight() << endl; kdDebug(6000) << "printing: margins left = " << printer->margins().width() << " top = " << printer->margins().height() << endl; kdDebug(6000) << "printing: paper width = " << metrics.width() << " height = " << metrics.height() << endl; // if the width is too large to fit on the paper we just scale // the whole thing. int pageWidth = metrics.width(); int pageHeight = metrics.height(); p->setClipRect(0,0, pageWidth, pageHeight); pageHeight -= headerHeight; bool scalePage = false; double scale = 0.0; #ifndef TQT_NO_TRANSFORMATIONS if(root->docWidth() > metrics.width()) { scalePage = true; scale = ((double) metrics.width())/((double) root->docWidth()); pageHeight = (int) (pageHeight/scale); pageWidth = (int) (pageWidth/scale); headerHeight = (int) (headerHeight/scale); } #endif kdDebug(6000) << "printing: scaled html width = " << pageWidth << " height = " << pageHeight << endl; root->setHeight(pageHeight); root->setPageBottom(pageHeight); root->setNeedsLayout(true); root->layoutIfNeeded(); // m_part->slotDebugRenderTree(); // Squeeze header to make it it on the page. if (printHeader) { int available_width = metrics.width() - 10 - 2 * kMax(p->boundingRect(0, 0, metrics.width(), p->fontMetrics().lineSpacing(), Qt::AlignLeft, headerLeft).width(), p->boundingRect(0, 0, metrics.width(), p->fontMetrics().lineSpacing(), Qt::AlignLeft, headerRight).width()); if (available_width < 150) available_width = 150; int mid_width; int squeeze = 120; do { headerMid = KStringHandler::csqueeze(docname, squeeze); mid_width = p->boundingRect(0, 0, metrics.width(), p->fontMetrics().lineSpacing(), Qt::AlignLeft, headerMid).width(); squeeze -= 10; } while (mid_width > available_width); } int top = 0; int bottom = 0; int page = 1; while(top < root->docHeight()) { if(top > 0) printer->newPage(); p->setClipRect(0, 0, pageWidth, headerHeight, TQPainter::CoordDevice); if (printHeader) { int dy = p->fontMetrics().lineSpacing(); p->setPen(Qt::black); p->setFont(headerFont); headerRight = TQString("#%1").arg(page); p->drawText(0, 0, metrics.width(), dy, Qt::AlignLeft, headerLeft); p->drawText(0, 0, metrics.width(), dy, Qt::AlignHCenter, headerMid); p->drawText(0, 0, metrics.width(), dy, Qt::AlignRight, headerRight); } #ifndef TQT_NO_TRANSFORMATIONS if (scalePage) p->scale(scale, scale); #endif p->setClipRect(0, headerHeight, pageWidth, pageHeight, TQPainter::CoordDevice); p->translate(0, headerHeight-top); bottom = top+pageHeight; root->setPageTop(top); root->setPageBottom(bottom); root->setPageNumber(page); root->layer()->paint(p, TQRect(0, top, pageWidth, pageHeight)); // m_part->xmlDocImpl()->renderer()->layer()->paint(p, TQRect(0, top, pageWidth, pageHeight)); // root->repaint(); // p->flush(); kdDebug(6000) << "printed: page " << page <<" bottom At = " << bottom << endl; top = bottom; p->resetXForm(); page++; } p->end(); delete p; // and now reset the layout to the usual one... root->setPagedMode(false); root->setStaticMode(false); d->paged = false; tdehtml::setPrintPainter( 0 ); setMediaType( oldMediaType ); m_part->xmlDocImpl()->setPaintDevice( TQT_TQPAINTDEVICE(this) ); m_part->xmlDocImpl()->styleSelector()->computeFontSizes(m_part->xmlDocImpl()->paintDeviceMetrics(), m_part->zoomFactor()); m_part->xmlDocImpl()->updateStyleSelector(); viewport()->unsetCursor(); } delete printer; } void TDEHTMLView::slotPaletteChanged() { if(!m_part->xmlDocImpl()) return; DOM::DocumentImpl *document = m_part->xmlDocImpl(); if (!document->isHTMLDocument()) return; tdehtml::RenderCanvas *root = static_cast(document->renderer()); if(!root) return; root->style()->resetPalette(); NodeImpl *body = static_cast(document)->body(); if(!body) return; body->setChanged(true); body->recalcStyle( NodeImpl::Force ); } void TDEHTMLView::paint(TQPainter *p, const TQRect &rc, int yOff, bool *more) { if(!m_part->xmlDocImpl()) return; tdehtml::RenderCanvas *root = static_cast(m_part->xmlDocImpl()->renderer()); if(!root) return; m_part->xmlDocImpl()->setPaintDevice(p->device()); root->setPagedMode(true); root->setStaticMode(true); root->setWidth(rc.width()); p->save(); p->setClipRect(rc); p->translate(rc.left(), rc.top()); double scale = ((double) rc.width()/(double) root->docWidth()); int height = (int) ((double) rc.height() / scale); #ifndef TQT_NO_TRANSFORMATIONS p->scale(scale, scale); #endif root->setPageTop(yOff); root->setPageBottom(yOff+height); root->layer()->paint(p, TQRect(0, yOff, root->docWidth(), height)); if (more) *more = yOff + height < root->docHeight(); p->restore(); root->setPagedMode(false); root->setStaticMode(false); m_part->xmlDocImpl()->setPaintDevice( TQT_TQPAINTDEVICE(this) ); } void TDEHTMLView::useSlowRepaints() { d->useSlowRepaints = true; setStaticBackground(true); } void TDEHTMLView::setVScrollBarMode ( ScrollBarMode mode ) { #ifndef TDEHTML_NO_SCROLLBARS d->vmode = mode; TQScrollView::setVScrollBarMode(mode); #else Q_UNUSED( mode ); #endif } void TDEHTMLView::setHScrollBarMode ( ScrollBarMode mode ) { #ifndef TDEHTML_NO_SCROLLBARS d->hmode = mode; TQScrollView::setHScrollBarMode(mode); #else Q_UNUSED( mode ); #endif } void TDEHTMLView::restoreScrollBar() { int ow = visibleWidth(); TQScrollView::setVScrollBarMode(d->vmode); if (visibleWidth() != ow) layout(); d->prevScrollbarVisible = verticalScrollBar()->isVisible(); } TQStringList TDEHTMLView::formCompletionItems(const TQString &name) const { if (!m_part->settings()->isFormCompletionEnabled()) return TQStringList(); if (!d->formCompletions) d->formCompletions = new KSimpleConfig(locateLocal("data", "tdehtml/formcompletions")); return d->formCompletions->readListEntry(name); } void TDEHTMLView::clearCompletionHistory(const TQString& name) { if (!d->formCompletions) { d->formCompletions = new KSimpleConfig(locateLocal("data", "tdehtml/formcompletions")); } d->formCompletions->writeEntry(name, ""); d->formCompletions->sync(); } void TDEHTMLView::addFormCompletionItem(const TQString &name, const TQString &value) { if (!m_part->settings()->isFormCompletionEnabled()) return; // don't store values that are all numbers or just numbers with // dashes or spaces as those are likely credit card numbers or // something similar bool cc_number(true); for (unsigned int i = 0; i < value.length(); ++i) { TQChar c(value[i]); if (!c.isNumber() && c != '-' && !c.isSpace()) { cc_number = false; break; } } if (cc_number) return; TQStringList items = formCompletionItems(name); if (!items.contains(value)) items.prepend(value); while ((int)items.count() > m_part->settings()->maxFormCompletionItems()) items.remove(items.fromLast()); d->formCompletions->writeEntry(name, items); } void TDEHTMLView::removeFormCompletionItem(const TQString &name, const TQString &value) { if (!m_part->settings()->isFormCompletionEnabled()) return; TQStringList items = formCompletionItems(name); if (items.remove(value)) d->formCompletions->writeEntry(name, items); } void TDEHTMLView::addNonPasswordStorableSite(const TQString& host) { if (!d->formCompletions) { d->formCompletions = new KSimpleConfig(locateLocal("data", "tdehtml/formcompletions")); } d->formCompletions->setGroup("NonPasswordStorableSites"); TQStringList sites = d->formCompletions->readListEntry("Sites"); sites.append(host); d->formCompletions->writeEntry("Sites", sites); d->formCompletions->sync(); d->formCompletions->setGroup(TQString::null);//reset } bool TDEHTMLView::nonPasswordStorableSite(const TQString& host) const { if (!d->formCompletions) { d->formCompletions = new KSimpleConfig(locateLocal("data", "tdehtml/formcompletions")); } d->formCompletions->setGroup("NonPasswordStorableSites"); TQStringList sites = d->formCompletions->readListEntry("Sites"); d->formCompletions->setGroup(TQString::null);//reset return (sites.find(host) != sites.end()); } // returns true if event should be swallowed bool TDEHTMLView::dispatchMouseEvent(int eventId, DOM::NodeImpl *targetNode, DOM::NodeImpl *targetNodeNonShared, bool cancelable, int detail,TQMouseEvent *_mouse, bool setUnder, int mouseEventType) { // if the target node is a text node, dispatch on the parent node - rdar://4196646 (and #76948) if (targetNode && targetNode->isTextNode()) targetNode = targetNode->parentNode(); if (d->underMouse) d->underMouse->deref(); d->underMouse = targetNode; if (d->underMouse) d->underMouse->ref(); if (d->underMouseNonShared) d->underMouseNonShared->deref(); d->underMouseNonShared = targetNodeNonShared; if (d->underMouseNonShared) d->underMouseNonShared->ref(); int exceptioncode = 0; int pageX = 0; int pageY = 0; viewportToContents(_mouse->x(), _mouse->y(), pageX, pageY); int clientX = pageX - contentsX(); int clientY = pageY - contentsY(); int screenX = _mouse->globalX(); int screenY = _mouse->globalY(); int button = -1; switch (_mouse->button()) { case Qt::LeftButton: button = 0; break; case Qt::MidButton: button = 1; break; case Qt::RightButton: button = 2; break; default: break; } if (d->accessKeysEnabled && d->accessKeysPreActivate && button!=-1) d->accessKeysPreActivate=false; bool ctrlKey = (_mouse->state() & ControlButton); bool altKey = (_mouse->state() & AltButton); bool shiftKey = (_mouse->state() & ShiftButton); bool metaKey = (_mouse->state() & MetaButton); // mouseout/mouseover if (setUnder && (d->prevMouseX != pageX || d->prevMouseY != pageY)) { // ### this code sucks. we should save the oldUnder instead of calculating // it again. calculating is expensive! (Dirk) NodeImpl *oldUnder = 0; if (d->prevMouseX >= 0 && d->prevMouseY >= 0) { NodeImpl::MouseEvent mev( _mouse->stateAfter(), static_cast(mouseEventType)); m_part->xmlDocImpl()->prepareMouseEvent( true, d->prevMouseX, d->prevMouseY, &mev ); oldUnder = mev.innerNode.handle(); if (oldUnder && oldUnder->isTextNode()) oldUnder = oldUnder->parentNode(); } // tqDebug("oldunder=%p (%s), target=%p (%s) x/y=%d/%d", oldUnder, oldUnder ? oldUnder->renderer()->renderName() : 0, targetNode, targetNode ? targetNode->renderer()->renderName() : 0, _mouse->x(), _mouse->y()); if (oldUnder != targetNode) { // send mouseout event to the old node if (oldUnder){ oldUnder->ref(); MouseEventImpl *me = new MouseEventImpl(EventImpl::MOUSEOUT_EVENT, true,true,m_part->xmlDocImpl()->defaultView(), 0,screenX,screenY,clientX,clientY,pageX, pageY, ctrlKey,altKey,shiftKey,metaKey, button,targetNode); me->ref(); oldUnder->dispatchEvent(me,exceptioncode,true); me->deref(); } // send mouseover event to the new node if (targetNode) { MouseEventImpl *me = new MouseEventImpl(EventImpl::MOUSEOVER_EVENT, true,true,m_part->xmlDocImpl()->defaultView(), 0,screenX,screenY,clientX,clientY,pageX, pageY, ctrlKey,altKey,shiftKey,metaKey, button,oldUnder); me->ref(); targetNode->dispatchEvent(me,exceptioncode,true); me->deref(); } if (oldUnder) oldUnder->deref(); } } bool swallowEvent = false; if (targetNode) { // send the actual event bool dblclick = ( eventId == EventImpl::CLICK_EVENT && _mouse->type() == TQEvent::MouseButtonDblClick ); MouseEventImpl *me = new MouseEventImpl(static_cast(eventId), true,cancelable,m_part->xmlDocImpl()->defaultView(), detail,screenX,screenY,clientX,clientY,pageX, pageY, ctrlKey,altKey,shiftKey,metaKey, button,0, _mouse, dblclick ); me->ref(); targetNode->dispatchEvent(me,exceptioncode,true); bool defaultHandled = me->defaultHandled(); if (defaultHandled || me->defaultPrevented()) swallowEvent = true; me->deref(); if (eventId == EventImpl::MOUSEDOWN_EVENT) { // Focus should be shifted on mouse down, not on a click. -dwh // Blur current focus node when a link/button is clicked; this // is expected by some sites that rely on onChange handlers running // from form fields before the button click is processed. DOM::NodeImpl* nodeImpl = targetNode; for ( ; nodeImpl && !nodeImpl->isFocusable(); nodeImpl = nodeImpl->parentNode()); if (nodeImpl && nodeImpl->isMouseFocusable()) m_part->xmlDocImpl()->setFocusNode(nodeImpl); else if (!nodeImpl || !nodeImpl->focused()) m_part->xmlDocImpl()->setFocusNode(0); } } return swallowEvent; } void TDEHTMLView::setIgnoreWheelEvents( bool e ) { d->ignoreWheelEvents = e; } #ifndef TQT_NO_WHEELEVENT void TDEHTMLView::viewportWheelEvent(TQWheelEvent* e) { if (d->accessKeysEnabled && d->accessKeysPreActivate) d->accessKeysPreActivate=false; if ( ( e->state() & ControlButton) == ControlButton ) { emit zoomView( - e->delta() ); e->accept(); } else if (d->firstRelayout) { e->accept(); } else if( ( (e->orientation() == Qt::Vertical && ((d->ignoreWheelEvents && !verticalScrollBar()->isVisible()) || e->delta() > 0 && contentsY() <= 0 || e->delta() < 0 && contentsY() >= contentsHeight() - visibleHeight())) || (e->orientation() == Qt::Horizontal && ((d->ignoreWheelEvents && !horizontalScrollBar()->isVisible()) || e->delta() > 0 && contentsX() <=0 || e->delta() < 0 && contentsX() >= contentsWidth() - visibleWidth()))) && m_part->parentPart()) { if ( m_part->parentPart()->view() ) m_part->parentPart()->view()->wheelEvent( e ); e->ignore(); } else { d->scrollBarMoved = true; #ifndef NO_SMOOTH_SCROLL_HACK scrollViewWheelEvent( e ); #else TQScrollView::viewportWheelEvent( e ); #endif TQMouseEvent *tempEvent = new TQMouseEvent( TQEvent::MouseMove, TQPoint(-1,-1), TQPoint(-1,-1), Qt::NoButton, e->state() ); emit viewportMouseMoveEvent ( tempEvent ); delete tempEvent; } } #endif void TDEHTMLView::dragEnterEvent( TQDragEnterEvent* ev ) { // Handle drops onto frames (#16820) // Drops on the main html part is handled by Konqueror (and shouldn't do anything // in e.g. kmail, so not handled here). if ( m_part->parentPart() ) { TQApplication::sendEvent(m_part->parentPart()->widget(), ev); return; } TQScrollView::dragEnterEvent( ev ); } void TDEHTMLView::dropEvent( TQDropEvent *ev ) { // Handle drops onto frames (#16820) // Drops on the main html part is handled by Konqueror (and shouldn't do anything // in e.g. kmail, so not handled here). if ( m_part->parentPart() ) { TQApplication::sendEvent(m_part->parentPart()->widget(), ev); return; } TQScrollView::dropEvent( ev ); } void TDEHTMLView::focusInEvent( TQFocusEvent *e ) { #ifndef TDEHTML_NO_TYPE_AHEAD_FIND m_part->enableFindAheadActions( true ); #endif DOM::NodeImpl* fn = m_part->xmlDocImpl() ? m_part->xmlDocImpl()->focusNode() : 0; if (fn && fn->renderer() && fn->renderer()->isWidget() && (e->reason() != TQFocusEvent::Mouse) && static_cast(fn->renderer())->widget()) static_cast(fn->renderer())->widget()->setFocus(); #ifndef TDEHTML_NO_CARET // Restart blink frequency timer if it has been killed, but only on // editable nodes if (d->m_caretViewContext && d->m_caretViewContext->freqTimerId == -1 && fn) { if (m_part->isCaretMode() || m_part->isEditable() || (fn && fn->renderer() && fn->renderer()->style()->userInput() == UI_ENABLED)) { d->m_caretViewContext->freqTimerId = startTimer(500); d->m_caretViewContext->visible = true; }/*end if*/ }/*end if*/ showCaret(); #endif // TDEHTML_NO_CARET TQScrollView::focusInEvent( e ); } void TDEHTMLView::focusOutEvent( TQFocusEvent *e ) { if(m_part) m_part->stopAutoScroll(); #ifndef TDEHTML_NO_TYPE_AHEAD_FIND if(d->typeAheadActivated) { findTimeout(); } m_part->enableFindAheadActions( false ); #endif // TDEHTML_NO_TYPE_AHEAD_FIND #ifndef TDEHTML_NO_CARET if (d->m_caretViewContext) { switch (d->m_caretViewContext->displayNonFocused) { case TDEHTMLPart::CaretInvisible: hideCaret(); break; case TDEHTMLPart::CaretVisible: { killTimer(d->m_caretViewContext->freqTimerId); d->m_caretViewContext->freqTimerId = -1; NodeImpl *caretNode = m_part->xmlDocImpl()->focusNode(); if (!d->m_caretViewContext->visible && (m_part->isCaretMode() || m_part->isEditable() || (caretNode && caretNode->renderer() && caretNode->renderer()->style()->userInput() == UI_ENABLED))) { d->m_caretViewContext->visible = true; showCaret(true); }/*end if*/ break; } case TDEHTMLPart::CaretBlink: // simply leave as is break; }/*end switch*/ }/*end if*/ #endif // TDEHTML_NO_CARET if ( d->cursor_icon_widget ) d->cursor_icon_widget->hide(); TQScrollView::focusOutEvent( e ); } void TDEHTMLView::slotScrollBarMoved() { if ( !d->firstRelayout && !d->complete && m_part->xmlDocImpl() && d->layoutSchedulingEnabled) { // contents scroll while we are not complete: we need to check our layout *now* tdehtml::RenderCanvas* root = static_cast( m_part->xmlDocImpl()->renderer() ); if (root && root->needsLayout()) { unscheduleRelayout(); layout(); } } if (!d->scrollingSelf) { d->scrollBarMoved = true; d->contentsMoving = true; // ensure quick reset of contentsMoving flag scheduleRepaint(0, 0, 0, 0); } if (m_part->xmlDocImpl() && m_part->xmlDocImpl()->documentElement()) m_part->xmlDocImpl()->documentElement()->dispatchHTMLEvent(EventImpl::SCROLL_EVENT, true, false); } void TDEHTMLView::timerEvent ( TQTimerEvent *e ) { // kdDebug() << "timer event " << e->timerId() << endl; if ( e->timerId() == d->scrollTimerId ) { if( d->scrollSuspended ) return; switch (d->scrollDirection) { case TDEHTMLViewPrivate::ScrollDown: if (contentsY() + visibleHeight () >= contentsHeight()) d->newScrollTimer(this, 0); else scrollBy( 0, d->scrollBy ); break; case TDEHTMLViewPrivate::ScrollUp: if (contentsY() <= 0) d->newScrollTimer(this, 0); else scrollBy( 0, -d->scrollBy ); break; case TDEHTMLViewPrivate::ScrollRight: if (contentsX() + visibleWidth () >= contentsWidth()) d->newScrollTimer(this, 0); else scrollBy( d->scrollBy, 0 ); break; case TDEHTMLViewPrivate::ScrollLeft: if (contentsX() <= 0) d->newScrollTimer(this, 0); else scrollBy( -d->scrollBy, 0 ); break; } return; } else if ( e->timerId() == d->layoutTimerId ) { d->dirtyLayout = true; layout(); if (d->firstRelayout) { d->firstRelayout = false; verticalScrollBar()->setEnabled( true ); horizontalScrollBar()->setEnabled( true ); } } #ifndef TDEHTML_NO_CARET else if (d->m_caretViewContext && e->timerId() == d->m_caretViewContext->freqTimerId) { d->m_caretViewContext->visible = !d->m_caretViewContext->visible; if (d->m_caretViewContext->displayed) { updateContents(d->m_caretViewContext->x, d->m_caretViewContext->y, d->m_caretViewContext->width, d->m_caretViewContext->height); }/*end if*/ // if (d->m_caretViewContext->visible) cout << "|" << flush; // else cout << "" << flush; return; } #endif d->contentsMoving = false; if( m_part->xmlDocImpl() ) { DOM::DocumentImpl *document = m_part->xmlDocImpl(); tdehtml::RenderCanvas* root = static_cast(document->renderer()); if ( root && root->needsLayout() ) { killTimer(d->repaintTimerId); d->repaintTimerId = 0; scheduleRelayout(); return; } } setStaticBackground(d->useSlowRepaints); // kdDebug() << "scheduled repaint "<< d->repaintTimerId << endl; killTimer(d->repaintTimerId); d->repaintTimerId = 0; TQRect updateRegion; TQMemArray rects = d->updateRegion.rects(); d->updateRegion = TQRegion(); if ( rects.size() ) updateRegion = rects[0]; for ( unsigned i = 1; i < rects.size(); ++i ) { TQRect newRegion = updateRegion.unite(rects[i]); if (2*newRegion.height() > 3*updateRegion.height() ) { repaintContents( updateRegion ); updateRegion = rects[i]; } else updateRegion = newRegion; } if ( !updateRegion.isNull() ) repaintContents( updateRegion ); // As widgets can only be accurately positioned during painting, every layout might // dissociate a widget from its RenderWidget. E.g: if a RenderWidget was visible before layout, but the layout // pushed it out of the viewport, it will not be repainted, and consequently it's assocoated widget won't be repositioned! // Thus we need to check each supposedly 'visible' widget at the end of each layout, and remove it in case it's no more in sight. if (d->dirtyLayout && !d->visibleWidgets.isEmpty()) { TQWidget* w; d->dirtyLayout = false; TQRect visibleRect(contentsX(), contentsY(), visibleWidth(), visibleHeight()); TQPtrList toRemove; for (TQPtrDictIterator it(d->visibleWidgets); it.current(); ++it) { int xp = 0, yp = 0; w = it.current(); RenderWidget* rw = static_cast( it.currentKey() ); if (!rw->absolutePosition(xp, yp) || !visibleRect.intersects(TQRect(xp, yp, w->width(), w->height()))) toRemove.append(rw); } for (RenderWidget* r = toRemove.first(); r; r = toRemove.next()) if ( (w = d->visibleWidgets.take(r) ) ) addChild(w, 0, -500000); } emit repaintAccessKeys(); if (d->emitCompletedAfterRepaint) { bool full = d->emitCompletedAfterRepaint == TDEHTMLViewPrivate::CSFull; d->emitCompletedAfterRepaint = TDEHTMLViewPrivate::CSNone; if ( full ) emit m_part->completed(); else emit m_part->completed(true); } } void TDEHTMLView::scheduleRelayout(tdehtml::RenderObject * /*clippedObj*/) { if (!d->layoutSchedulingEnabled || d->layoutTimerId) return; d->layoutTimerId = startTimer( m_part->xmlDocImpl() && m_part->xmlDocImpl()->parsing() ? 1000 : 0 ); } void TDEHTMLView::unscheduleRelayout() { if (!d->layoutTimerId) return; killTimer(d->layoutTimerId); d->layoutTimerId = 0; } void TDEHTMLView::unscheduleRepaint() { if (!d->repaintTimerId) return; killTimer(d->repaintTimerId); d->repaintTimerId = 0; } void TDEHTMLView::scheduleRepaint(int x, int y, int w, int h, bool asap) { bool parsing = !m_part->xmlDocImpl() || m_part->xmlDocImpl()->parsing(); // kdDebug() << "parsing " << parsing << endl; // kdDebug() << "complete " << d->complete << endl; int time = parsing ? 300 : (!asap ? ( !d->complete ? 100 : 20 ) : 0); #ifdef DEBUG_FLICKER TQPainter p; p.begin( viewport() ); int vx, vy; contentsToViewport( x, y, vx, vy ); p.fillRect( vx, vy, w, h, TQt::red ); p.end(); #endif d->updateRegion = d->updateRegion.unite(TQRect(x,y,w,h)); if (asap && !parsing) unscheduleRepaint(); if ( !d->repaintTimerId ) d->repaintTimerId = startTimer( time ); // kdDebug() << "starting timer " << time << endl; } void TDEHTMLView::complete( bool pendingAction ) { // kdDebug() << "TDEHTMLView::complete()" << endl; d->complete = true; // is there a relayout pending? if (d->layoutTimerId) { // kdDebug() << "requesting relayout now" << endl; // do it now killTimer(d->layoutTimerId); d->layoutTimerId = startTimer( 0 ); d->emitCompletedAfterRepaint = pendingAction ? TDEHTMLViewPrivate::CSActionPending : TDEHTMLViewPrivate::CSFull; } // is there a repaint pending? if (d->repaintTimerId) { // kdDebug() << "requesting repaint now" << endl; // do it now killTimer(d->repaintTimerId); d->repaintTimerId = startTimer( 20 ); d->emitCompletedAfterRepaint = pendingAction ? TDEHTMLViewPrivate::CSActionPending : TDEHTMLViewPrivate::CSFull; } if (!d->emitCompletedAfterRepaint) { if (!pendingAction) emit m_part->completed(); else emit m_part->completed(true); } } void TDEHTMLView::slotMouseScrollTimer() { scrollBy( d->m_mouseScroll_byX, d->m_mouseScroll_byY ); } #ifndef TDEHTML_NO_CARET // ### the dependencies on static functions are a nightmare. just be // hacky and include the implementation here. Clean me up, please. #include "tdehtml_caret.cpp" void TDEHTMLView::initCaret(bool keepSelection) { #if DEBUG_CARETMODE > 0 kdDebug(6200) << "begin initCaret" << endl; #endif // save caretMoved state as moveCaretTo changes it if (m_part->xmlDocImpl()) { #if 0 ElementImpl *listitem = m_part->xmlDocImpl()->getElementById("__test_element__"); if (listitem) dumpLineBoxes(static_cast(listitem->renderer())); #endif d->caretViewContext(); bool cmoved = d->m_caretViewContext->caretMoved; if (m_part->d->caretNode().isNull()) { // set to document, position will be sanitized anyway m_part->d->caretNode() = m_part->document(); m_part->d->caretOffset() = 0L; // This sanity check is necessary for the not so unlikely case that // setEditable or setCaretMode is called before any render objects have // been created. if (!m_part->d->caretNode().handle()->renderer()) return; }/*end if*/ // kdDebug(6200) << "d->m_selectionStart " << m_part->d->m_selectionStart.handle() // << " d->m_selectionEnd " << m_part->d->m_selectionEnd.handle() << endl; // ### does not repaint the selection on keepSelection!=false moveCaretTo(m_part->d->caretNode().handle(), m_part->d->caretOffset(), !keepSelection); // kdDebug(6200) << "d->m_selectionStart " << m_part->d->m_selectionStart.handle() // << " d->m_selectionEnd " << m_part->d->m_selectionEnd.handle() << endl; d->m_caretViewContext->caretMoved = cmoved; }/*end if*/ #if DEBUG_CARETMODE > 0 kdDebug(6200) << "end initCaret" << endl; #endif } bool TDEHTMLView::caretOverrides() const { bool cm = m_part->isCaretMode(); bool dm = m_part->isEditable(); return cm && !dm ? false : (dm || m_part->d->caretNode().handle()->contentEditable()) && d->editorContext()->override; } void TDEHTMLView::ensureNodeHasFocus(NodeImpl *node) { if (m_part->isCaretMode() || m_part->isEditable()) return; if (node->focused()) return; // Find first ancestor whose "user-input" is "enabled" NodeImpl *firstAncestor = 0; while (node) { if (node->renderer() && node->renderer()->style()->userInput() != UI_ENABLED) break; firstAncestor = node; node = node->parentNode(); }/*wend*/ if (!node) firstAncestor = 0; DocumentImpl *doc = m_part->xmlDocImpl(); // ensure that embedded widgets don't lose their focus if (!firstAncestor && doc->focusNode() && doc->focusNode()->renderer() && doc->focusNode()->renderer()->isWidget()) return; // Set focus node on the document #if DEBUG_CARETMODE > 1 kdDebug(6200) << k_funcinfo << "firstAncestor " << firstAncestor << ": " << (firstAncestor ? firstAncestor->nodeName().string() : TQString::null) << endl; #endif doc->setFocusNode(firstAncestor); emit m_part->nodeActivated(Node(firstAncestor)); } void TDEHTMLView::recalcAndStoreCaretPos(CaretBox *hintBox) { if (!m_part || m_part->d->caretNode().isNull()) return; d->caretViewContext(); NodeImpl *caretNode = m_part->d->caretNode().handle(); #if DEBUG_CARETMODE > 0 kdDebug(6200) << "recalcAndStoreCaretPos: caretNode=" << caretNode << (caretNode ? " "+caretNode->nodeName().string() : TQString::null) << " r@" << caretNode->renderer() << (caretNode->renderer() && caretNode->renderer()->isText() ? " \"" + TQConstString(static_cast(caretNode->renderer())->str->s, kMin(static_cast(caretNode->renderer())->str->l, 15u)).string() + "\"" : TQString::null) << endl; #endif caretNode->getCaret(m_part->d->caretOffset(), caretOverrides(), d->m_caretViewContext->x, d->m_caretViewContext->y, d->m_caretViewContext->width, d->m_caretViewContext->height); if (hintBox && d->m_caretViewContext->x == -1) { #if DEBUG_CARETMODE > 1 kdDebug(6200) << "using hint inline box coordinates" << endl; #endif RenderObject *r = caretNode->renderer(); const TQFontMetrics &fm = r->style()->fontMetrics(); int absx, absy; r->containingBlock()->absolutePosition(absx, absy, false); // ### what about fixed? d->m_caretViewContext->x = absx + hintBox->xPos(); d->m_caretViewContext->y = absy + hintBox->yPos(); // + hintBox->baseline() - fm.ascent(); d->m_caretViewContext->width = 1; // ### firstline not regarded. But I think it can be safely neglected // as hint boxes are only used for empty lines. d->m_caretViewContext->height = fm.height(); }/*end if*/ #if DEBUG_CARETMODE > 4 // kdDebug(6200) << "freqTimerId: "<m_caretViewContext->freqTimerId< 0 kdDebug(6200) << "caret: ofs="<d->caretOffset()<<" " <<" x="<m_caretViewContext->x<<" y="<m_caretViewContext->y <<" h="<m_caretViewContext->height<m_caretViewContext) { killTimer(d->m_caretViewContext->freqTimerId); if (hasFocus() || d->m_caretViewContext->displayNonFocused == TDEHTMLPart::CaretBlink) { d->m_caretViewContext->freqTimerId = startTimer(500); } else { d->m_caretViewContext->freqTimerId = -1; }/*end if*/ d->m_caretViewContext->visible = true; if ((d->m_caretViewContext->displayed = (hasFocus() || d->m_caretViewContext->displayNonFocused != TDEHTMLPart::CaretInvisible))) { updateContents(d->m_caretViewContext->x, d->m_caretViewContext->y, d->m_caretViewContext->width, d->m_caretViewContext->height); }/*end if*/ // kdDebug(6200) << "caret on" << endl; }/*end if*/ } void TDEHTMLView::caretOff() { if (d->m_caretViewContext) { killTimer(d->m_caretViewContext->freqTimerId); d->m_caretViewContext->freqTimerId = -1; d->m_caretViewContext->displayed = false; if (d->m_caretViewContext->visible) { d->m_caretViewContext->visible = false; updateContents(d->m_caretViewContext->x, d->m_caretViewContext->y, d->m_caretViewContext->width, d->m_caretViewContext->height); }/*end if*/ // kdDebug(6200) << "caret off" << endl; }/*end if*/ } void TDEHTMLView::showCaret(bool forceRepaint) { if (d->m_caretViewContext) { d->m_caretViewContext->displayed = true; if (d->m_caretViewContext->visible) { if (!forceRepaint) { updateContents(d->m_caretViewContext->x, d->m_caretViewContext->y, d->m_caretViewContext->width, d->m_caretViewContext->height); } else { repaintContents(d->m_caretViewContext->x, d->m_caretViewContext->y, d->m_caretViewContext->width, d->m_caretViewContext->height); }/*end if*/ }/*end if*/ // kdDebug(6200) << "caret shown" << endl; }/*end if*/ } bool TDEHTMLView::foldSelectionToCaret(NodeImpl *startNode, long startOffset, NodeImpl *endNode, long endOffset) { m_part->d->m_selectionStart = m_part->d->m_selectionEnd = m_part->d->caretNode(); m_part->d->m_startOffset = m_part->d->m_endOffset = m_part->d->caretOffset(); m_part->d->m_extendAtEnd = true; bool folded = startNode != endNode || startOffset != endOffset; // Only clear the selection if there has been one. if (folded) { m_part->xmlDocImpl()->clearSelection(); }/*end if*/ return folded; } void TDEHTMLView::hideCaret() { if (d->m_caretViewContext) { if (d->m_caretViewContext->visible) { // kdDebug(6200) << "redraw caret hidden" << endl; d->m_caretViewContext->visible = false; // force repaint, otherwise the event won't be handled // before the focus leaves the window repaintContents(d->m_caretViewContext->x, d->m_caretViewContext->y, d->m_caretViewContext->width, d->m_caretViewContext->height); d->m_caretViewContext->visible = true; }/*end if*/ d->m_caretViewContext->displayed = false; // kdDebug(6200) << "caret hidden" << endl; }/*end if*/ } int TDEHTMLView::caretDisplayPolicyNonFocused() const { if (d->m_caretViewContext) return d->m_caretViewContext->displayNonFocused; else return TDEHTMLPart::CaretInvisible; } void TDEHTMLView::setCaretDisplayPolicyNonFocused(int policy) { d->caretViewContext(); // int old = d->m_caretViewContext->displayNonFocused; d->m_caretViewContext->displayNonFocused = (TDEHTMLPart::CaretDisplayPolicy)policy; // make change immediately take effect if not focused if (!hasFocus()) { switch (d->m_caretViewContext->displayNonFocused) { case TDEHTMLPart::CaretInvisible: hideCaret(); break; case TDEHTMLPart::CaretBlink: if (d->m_caretViewContext->freqTimerId != -1) break; d->m_caretViewContext->freqTimerId = startTimer(500); // fall through case TDEHTMLPart::CaretVisible: d->m_caretViewContext->displayed = true; showCaret(); break; }/*end switch*/ }/*end if*/ } bool TDEHTMLView::placeCaret(CaretBox *hintBox) { CaretViewContext *cv = d->caretViewContext(); caretOff(); NodeImpl *caretNode = m_part->d->caretNode().handle(); // ### why is it sometimes null? if (!caretNode || !caretNode->renderer()) return false; ensureNodeHasFocus(caretNode); if (m_part->isCaretMode() || m_part->isEditable() || caretNode->renderer()->style()->userInput() == UI_ENABLED) { recalcAndStoreCaretPos(hintBox); cv->origX = cv->x; caretOn(); return true; }/*end if*/ return false; } void TDEHTMLView::ensureCaretVisible() { CaretViewContext *cv = d->m_caretViewContext; if (!cv) return; ensureVisible(cv->x, cv->y, cv->width, cv->height); d->scrollBarMoved = false; } bool TDEHTMLView::extendSelection(NodeImpl *oldStartSel, long oldStartOfs, NodeImpl *oldEndSel, long oldEndOfs) { bool changed = false; if (m_part->d->m_selectionStart == m_part->d->m_selectionEnd && m_part->d->m_startOffset == m_part->d->m_endOffset) { changed = foldSelectionToCaret(oldStartSel, oldStartOfs, oldEndSel, oldEndOfs); m_part->d->m_extendAtEnd = true; } else do { changed = m_part->d->m_selectionStart.handle() != oldStartSel || m_part->d->m_startOffset != oldStartOfs || m_part->d->m_selectionEnd.handle() != oldEndSel || m_part->d->m_endOffset != oldEndOfs; if (!changed) break; // determine start position -- caret position is always at end. NodeImpl *startNode; long startOffset; if (m_part->d->m_extendAtEnd) { startNode = m_part->d->m_selectionStart.handle(); startOffset = m_part->d->m_startOffset; } else { startNode = m_part->d->m_selectionEnd.handle(); startOffset = m_part->d->m_endOffset; m_part->d->m_selectionEnd = m_part->d->m_selectionStart; m_part->d->m_endOffset = m_part->d->m_startOffset; m_part->d->m_extendAtEnd = true; }/*end if*/ bool swapNeeded = false; if (!m_part->d->m_selectionEnd.isNull() && startNode) { swapNeeded = RangeImpl::compareBoundaryPoints(startNode, startOffset, m_part->d->m_selectionEnd.handle(), m_part->d->m_endOffset) >= 0; }/*end if*/ m_part->d->m_selectionStart = startNode; m_part->d->m_startOffset = startOffset; if (swapNeeded) { m_part->xmlDocImpl()->setSelection(m_part->d->m_selectionEnd.handle(), m_part->d->m_endOffset, m_part->d->m_selectionStart.handle(), m_part->d->m_startOffset); } else { m_part->xmlDocImpl()->setSelection(m_part->d->m_selectionStart.handle(), m_part->d->m_startOffset, m_part->d->m_selectionEnd.handle(), m_part->d->m_endOffset); }/*end if*/ } while(false);/*end if*/ return changed; } void TDEHTMLView::updateSelection(NodeImpl *oldStartSel, long oldStartOfs, NodeImpl *oldEndSel, long oldEndOfs) { if (m_part->d->m_selectionStart == m_part->d->m_selectionEnd && m_part->d->m_startOffset == m_part->d->m_endOffset) { if (foldSelectionToCaret(oldStartSel, oldStartOfs, oldEndSel, oldEndOfs)) { m_part->emitSelectionChanged(); }/*end if*/ m_part->d->m_extendAtEnd = true; } else { // check if the extending end has passed the immobile end if (!m_part->d->m_selectionEnd.isNull() && !m_part->d->m_selectionEnd.isNull()) { bool swapNeeded = RangeImpl::compareBoundaryPoints( m_part->d->m_selectionStart.handle(), m_part->d->m_startOffset, m_part->d->m_selectionEnd.handle(), m_part->d->m_endOffset) >= 0; if (swapNeeded) { DOM::Node tmpNode = m_part->d->m_selectionStart; long tmpOffset = m_part->d->m_startOffset; m_part->d->m_selectionStart = m_part->d->m_selectionEnd; m_part->d->m_startOffset = m_part->d->m_endOffset; m_part->d->m_selectionEnd = tmpNode; m_part->d->m_endOffset = tmpOffset; m_part->d->m_startBeforeEnd = true; m_part->d->m_extendAtEnd = !m_part->d->m_extendAtEnd; }/*end if*/ }/*end if*/ m_part->xmlDocImpl()->setSelection(m_part->d->m_selectionStart.handle(), m_part->d->m_startOffset, m_part->d->m_selectionEnd.handle(), m_part->d->m_endOffset); m_part->emitSelectionChanged(); }/*end if*/ } void TDEHTMLView::caretKeyPressEvent(TQKeyEvent *_ke) { NodeImpl *oldStartSel = m_part->d->m_selectionStart.handle(); long oldStartOfs = m_part->d->m_startOffset; NodeImpl *oldEndSel = m_part->d->m_selectionEnd.handle(); long oldEndOfs = m_part->d->m_endOffset; NodeImpl *oldCaretNode = m_part->d->caretNode().handle(); long oldOffset = m_part->d->caretOffset(); bool ctrl = _ke->state() & ControlButton; // FIXME: this is that widely indented because I will write ifs around it. switch(_ke->key()) { case Key_Space: break; case Key_Down: moveCaretNextLine(1); break; case Key_Up: moveCaretPrevLine(1); break; case Key_Left: moveCaretBy(false, ctrl ? CaretByWord : CaretByCharacter, 1); break; case Key_Right: moveCaretBy(true, ctrl ? CaretByWord : CaretByCharacter, 1); break; case Key_Next: moveCaretNextPage(); break; case Key_Prior: moveCaretPrevPage(); break; case Key_Home: if (ctrl) moveCaretToDocumentBoundary(false); else moveCaretToLineBegin(); break; case Key_End: if (ctrl) moveCaretToDocumentBoundary(true); else moveCaretToLineEnd(); break; }/*end switch*/ if ((m_part->d->caretNode().handle() != oldCaretNode || m_part->d->caretOffset() != oldOffset) // node should never be null, but faulty conditions may cause it to be && !m_part->d->caretNode().isNull()) { d->m_caretViewContext->caretMoved = true; if (_ke->state() & ShiftButton) { // extend selection updateSelection(oldStartSel, oldStartOfs, oldEndSel, oldEndOfs); } else { // clear any selection if (foldSelectionToCaret(oldStartSel, oldStartOfs, oldEndSel, oldEndOfs)) m_part->emitSelectionChanged(); }/*end if*/ m_part->emitCaretPositionChanged(m_part->d->caretNode(), m_part->d->caretOffset()); }/*end if*/ _ke->accept(); } bool TDEHTMLView::moveCaretTo(NodeImpl *node, long offset, bool clearSel) { if (!node) return false; ElementImpl *baseElem = determineBaseElement(node); RenderFlow *base = static_cast(baseElem ? baseElem->renderer() : 0); if (!node) return false; // need to find out the node's inline box. If there is none, this function // will snap to the next node that has one. This is necessary to make the // caret visible in any case. CaretBoxLineDeleter cblDeleter; // RenderBlock *cb; long r_ofs; CaretBoxIterator cbit; CaretBoxLine *cbl = findCaretBoxLine(node, offset, &cblDeleter, base, r_ofs, cbit); if(!cbl) { kdWarning() << "TDEHTMLView::moveCaretTo - findCaretBoxLine() returns NULL" << endl; return false; } #if DEBUG_CARETMODE > 3 if (cbl) kdDebug(6200) << cbl->information() << endl; #endif CaretBox *box = *cbit; if (cbit != cbl->end() && box->object() != node->renderer()) { if (box->object()->element()) { mapRenderPosToDOMPos(box->object(), r_ofs, box->isOutside(), box->isOutsideEnd(), node, offset); //if (!outside) offset = node->minOffset(); #if DEBUG_CARETMODE > 1 kdDebug(6200) << "set new node " << node->nodeName().string() << "@" << node << endl; #endif } else { // box has no associated element -> do not use // this case should actually never happen. box = 0; kdError(6200) << "Box contains no node! Crash imminent" << endl; }/*end if*/ } NodeImpl *oldStartSel = m_part->d->m_selectionStart.handle(); long oldStartOfs = m_part->d->m_startOffset; NodeImpl *oldEndSel = m_part->d->m_selectionEnd.handle(); long oldEndOfs = m_part->d->m_endOffset; // test for position change bool posChanged = m_part->d->caretNode().handle() != node || m_part->d->caretOffset() != offset; bool selChanged = false; m_part->d->caretNode() = node; m_part->d->caretOffset() = offset; if (clearSel || !oldStartSel || !oldEndSel) { selChanged = foldSelectionToCaret(oldStartSel, oldStartOfs, oldEndSel, oldEndOfs); } else { //kdDebug(6200) << "moveToCaret: extendSelection: m_extendAtEnd " << m_part->d->m_extendAtEnd << endl; //kdDebug(6200) << "selection: start(" << m_part->d->m_selectionStart.handle() << "," << m_part->d->m_startOffset << "), end(" << m_part->d->m_selectionEnd.handle() << "," << m_part->d->m_endOffset << "), caret(" << m_part->d->caretNode().handle() << "," << m_part->d->caretOffset() << ")" << endl; selChanged = extendSelection(oldStartSel, oldStartOfs, oldEndSel, oldEndOfs); //kdDebug(6200) << "after extendSelection: m_extendAtEnd " << m_part->d->m_extendAtEnd << endl; //kdDebug(6200) << "selection: start(" << m_part->d->m_selectionStart.handle() << "," << m_part->d->m_startOffset << "), end(" << m_part->d->m_selectionEnd.handle() << "," << m_part->d->m_endOffset << "), caret(" << m_part->d->caretNode().handle() << "," << m_part->d->caretOffset() << ")" << endl; }/*end if*/ d->caretViewContext()->caretMoved = true; bool visible_caret = placeCaret(box); // FIXME: if the old position was !visible_caret, and the new position is // also, then two caretPositionChanged signals with a null Node are // emitted in series. if (posChanged) { m_part->emitCaretPositionChanged(visible_caret ? node : 0, offset); }/*end if*/ return selChanged; } void TDEHTMLView::moveCaretByLine(bool next, int count) { Node &caretNodeRef = m_part->d->caretNode(); if (caretNodeRef.isNull()) return; NodeImpl *caretNode = caretNodeRef.handle(); // kdDebug(6200) << ": caretNode=" << caretNode << endl; long offset = m_part->d->caretOffset(); CaretViewContext *cv = d->caretViewContext(); ElementImpl *baseElem = determineBaseElement(caretNode); LinearDocument ld(m_part, caretNode, offset, LeafsOnly, baseElem); ErgonomicEditableLineIterator it(ld.current(), cv->origX); // move count lines vertically while (count > 0 && it != ld.end() && it != ld.preBegin()) { count--; if (next) ++it; else --it; }/*wend*/ // Nothing? Then leave everything as is. if (it == ld.end() || it == ld.preBegin()) return; int x, absx, absy; CaretBox *caretBox = nearestCaretBox(it, d->m_caretViewContext, x, absx, absy); placeCaretOnLine(caretBox, x, absx, absy); } void TDEHTMLView::placeCaretOnLine(CaretBox *caretBox, int x, int absx, int absy) { // paranoia sanity check if (!caretBox) return; RenderObject *caretRender = caretBox->object(); #if DEBUG_CARETMODE > 0 kdDebug(6200) << "got valid caretBox " << caretBox << endl; kdDebug(6200) << "xPos: " << caretBox->xPos() << " yPos: " << caretBox->yPos() << " width: " << caretBox->width() << " height: " << caretBox->height() << endl; InlineTextBox *tb = static_cast(caretBox->inlineBox()); if (caretBox->isInlineTextBox()) { kdDebug(6200) << "contains \"" << TQString(static_cast(tb->object())->str->s + tb->m_start, tb->m_len) << "\"" << endl;} #endif // inquire height of caret int caretHeight = caretBox->height(); bool isText = caretBox->isInlineTextBox(); int yOfs = 0; // y-offset for text nodes if (isText) { // text boxes need extrawurst RenderText *t = static_cast(caretRender); const TQFontMetrics &fm = t->metrics(caretBox->inlineBox()->m_firstLine); caretHeight = fm.height(); yOfs = caretBox->inlineBox()->baseline() - fm.ascent(); }/*end if*/ caretOff(); // set new caret node NodeImpl *caretNode; long &offset = m_part->d->caretOffset(); mapRenderPosToDOMPos(caretRender, offset, caretBox->isOutside(), caretBox->isOutsideEnd(), caretNode, offset); // set all variables not needing special treatment d->m_caretViewContext->y = caretBox->yPos() + yOfs; d->m_caretViewContext->height = caretHeight; d->m_caretViewContext->width = 1; // FIXME: regard override int xPos = caretBox->xPos(); int caretBoxWidth = caretBox->width(); d->m_caretViewContext->x = xPos; if (!caretBox->isOutside()) { // before or at beginning of inline box -> place at beginning long r_ofs = 0; if (x <= xPos) { r_ofs = caretBox->minOffset(); // somewhere within this block } else if (x > xPos && x <= xPos + caretBoxWidth) { if (isText) { // find out where exactly r_ofs = static_cast(caretBox->inlineBox()) ->offsetForPoint(x, d->m_caretViewContext->x); #if DEBUG_CARETMODE > 2 kdDebug(6200) << "deviation from origX " << d->m_caretViewContext->x - x << endl; #endif #if 0 } else { // snap to nearest end if (xPos + caretBoxWidth - x < x - xPos) { d->m_caretViewContext->x = xPos + caretBoxWidth; r_ofs = caretNode ? caretNode->maxOffset() : 1; } else { d->m_caretViewContext->x = xPos; r_ofs = caretNode ? caretNode->minOffset() : 0; }/*end if*/ #endif }/*end if*/ } else { // after the inline box -> place at end d->m_caretViewContext->x = xPos + caretBoxWidth; r_ofs = caretBox->maxOffset(); }/*end if*/ offset = r_ofs; }/*end if*/ #if DEBUG_CARETMODE > 0 kdDebug(6200) << "new offset: " << offset << endl; #endif m_part->d->caretNode() = caretNode; m_part->d->caretOffset() = offset; d->m_caretViewContext->x += absx; d->m_caretViewContext->y += absy; #if DEBUG_CARETMODE > 1 kdDebug(6200) << "new caret position: x " << d->m_caretViewContext->x << " y " << d->m_caretViewContext->y << " w " << d->m_caretViewContext->width << " h " << d->m_caretViewContext->height << " absx " << absx << " absy " << absy << endl; #endif ensureVisible(d->m_caretViewContext->x, d->m_caretViewContext->y, d->m_caretViewContext->width, d->m_caretViewContext->height); d->scrollBarMoved = false; ensureNodeHasFocus(caretNode); caretOn(); } void TDEHTMLView::moveCaretToLineBoundary(bool end) { Node &caretNodeRef = m_part->d->caretNode(); if (caretNodeRef.isNull()) return; NodeImpl *caretNode = caretNodeRef.handle(); // kdDebug(6200) << ": caretNode=" << caretNode << endl; long offset = m_part->d->caretOffset(); ElementImpl *baseElem = determineBaseElement(caretNode); LinearDocument ld(m_part, caretNode, offset, LeafsOnly, baseElem); EditableLineIterator it = ld.current(); if (it == ld.end()) return; // should not happen, but who knows EditableCaretBoxIterator fbit(it, end); Q_ASSERT(fbit != (*it)->end() && fbit != (*it)->preBegin()); CaretBox *b = *fbit; RenderObject *cb = b->containingBlock(); int absx, absy; if (cb) cb->absolutePosition(absx,absy); else absx = absy = 0; int x = b->xPos() + (end && !b->isOutside() ? b->width() : 0); d->m_caretViewContext->origX = absx + x; placeCaretOnLine(b, x, absx, absy); } void TDEHTMLView::moveCaretToDocumentBoundary(bool end) { Node &caretNodeRef = m_part->d->caretNode(); if (caretNodeRef.isNull()) return; NodeImpl *caretNode = caretNodeRef.handle(); // kdDebug(6200) << ": caretNode=" << caretNode << endl; long offset = m_part->d->caretOffset(); ElementImpl *baseElem = determineBaseElement(caretNode); LinearDocument ld(m_part, caretNode, offset, IndicatedFlows, baseElem); EditableLineIterator it(end ? ld.preEnd() : ld.begin(), end); if (it == ld.end() || it == ld.preBegin()) return; // should not happen, but who knows EditableCaretBoxIterator fbit = it; Q_ASSERT(fbit != (*it)->end() && fbit != (*it)->preBegin()); CaretBox *b = *fbit; RenderObject *cb = (*it)->containingBlock(); int absx, absy; if (cb) cb->absolutePosition(absx, absy); else absx = absy = 0; int x = b->xPos()/* + (end ? b->width() : 0) reactivate for rtl*/; d->m_caretViewContext->origX = absx + x; placeCaretOnLine(b, x, absx, absy); } void TDEHTMLView::moveCaretBy(bool next, CaretMovement cmv, int count) { if (!m_part) return; Node &caretNodeRef = m_part->d->caretNode(); if (caretNodeRef.isNull()) return; NodeImpl *caretNode = caretNodeRef.handle(); // kdDebug(6200) << ": caretNode=" << caretNode << endl; long &offset = m_part->d->caretOffset(); ElementImpl *baseElem = determineBaseElement(caretNode); CaretAdvancePolicy advpol = cmv != CaretByWord ? IndicatedFlows : LeafsOnly; LinearDocument ld(m_part, caretNode, offset, advpol, baseElem); EditableCharacterIterator it(&ld); while (!it.isEnd() && count > 0) { count--; if (cmv == CaretByCharacter) { if (next) ++it; else --it; } else if (cmv == CaretByWord) { if (next) moveItToNextWord(it); else moveItToPrevWord(it); }/*end if*/ //kdDebug(6200) << "movecaret" << endl; }/*wend*/ CaretBox *hintBox = 0; // make gcc uninit warning disappear if (!it.isEnd()) { NodeImpl *node = caretNodeRef.handle(); hintBox = it.caretBox(); //kdDebug(6200) << "hintBox = " << hintBox << endl; //kdDebug(6200) << " outside " << hintBox->isOutside() << " outsideEnd " << hintBox->isOutsideEnd() << " r " << it.renderer() << " ofs " << it.offset() << " cb " << hintBox->containingBlock() << endl; mapRenderPosToDOMPos(it.renderer(), it.offset(), hintBox->isOutside(), hintBox->isOutsideEnd(), node, offset); //kdDebug(6200) << "mapRTD" << endl; caretNodeRef = node; #if DEBUG_CARETMODE > 2 kdDebug(6200) << "set by valid node " << node << " " << (node?node->nodeName().string():TQString::null) << " offset: " << offset << endl; #endif } else { offset = next ? caretNode->maxOffset() : caretNode->minOffset(); #if DEBUG_CARETMODE > 0 kdDebug(6200) << "set by INvalid node. offset: " << offset << endl; #endif }/*end if*/ placeCaretOnChar(hintBox); } void TDEHTMLView::placeCaretOnChar(CaretBox *hintBox) { caretOff(); recalcAndStoreCaretPos(hintBox); ensureVisible(d->m_caretViewContext->x, d->m_caretViewContext->y, d->m_caretViewContext->width, d->m_caretViewContext->height); d->m_caretViewContext->origX = d->m_caretViewContext->x; d->scrollBarMoved = false; #if DEBUG_CARETMODE > 3 //if (caretNode->isTextNode()) kdDebug(6200) << "text[0] = " << (int)*((TextImpl *)caretNode)->data().unicode() << " text :\"" << ((TextImpl *)caretNode)->data().string() << "\"" << endl; #endif ensureNodeHasFocus(m_part->d->caretNode().handle()); caretOn(); } void TDEHTMLView::moveCaretByPage(bool next) { Node &caretNodeRef = m_part->d->caretNode(); if (caretNodeRef.isNull()) return; NodeImpl *caretNode = caretNodeRef.handle(); // kdDebug(6200) << ": caretNode=" << caretNode << endl; long offset = m_part->d->caretOffset(); int offs = (clipper()->height() < 30) ? clipper()->height() : 30; // Minimum distance the caret must be moved int mindist = clipper()->height() - offs; CaretViewContext *cv = d->caretViewContext(); // int y = cv->y; // we always measure the top border ElementImpl *baseElem = determineBaseElement(caretNode); LinearDocument ld(m_part, caretNode, offset, LeafsOnly, baseElem); ErgonomicEditableLineIterator it(ld.current(), cv->origX); moveIteratorByPage(ld, it, mindist, next); int x, absx, absy; CaretBox *caretBox = nearestCaretBox(it, d->m_caretViewContext, x, absx, absy); placeCaretOnLine(caretBox, x, absx, absy); } void TDEHTMLView::moveCaretPrevWord() { moveCaretBy(false, CaretByWord, 1); } void TDEHTMLView::moveCaretNextWord() { moveCaretBy(true, CaretByWord, 1); } void TDEHTMLView::moveCaretPrevLine(int n) { moveCaretByLine(false, n); } void TDEHTMLView::moveCaretNextLine(int n) { moveCaretByLine(true, n); } void TDEHTMLView::moveCaretPrevPage() { moveCaretByPage(false); } void TDEHTMLView::moveCaretNextPage() { moveCaretByPage(true); } void TDEHTMLView::moveCaretToLineBegin() { moveCaretToLineBoundary(false); } void TDEHTMLView::moveCaretToLineEnd() { moveCaretToLineBoundary(true); } #endif // TDEHTML_NO_CARET #ifndef NO_SMOOTH_SCROLL_HACK #define timer timer2 // All scrolls must be completed within 240ms of last keypress static const int SCROLL_TIME = 240; // Each step is 20 ms == 50 frames/second static const int SCROLL_TICK = 20; void TDEHTMLView::scrollBy(int dx, int dy) { TDEConfigGroup cfg( TDEGlobal::config(), "KDE" ); if( !cfg.readBoolEntry( "SmoothScrolling", false )) { TQScrollView::scrollBy( dx, dy ); return; } // scrolling destination int full_dx = d->dx + dx; int full_dy = d->dy + dy; // scrolling speed int ddx = 0; int ddy = 0; int steps = SCROLL_TIME/SCROLL_TICK; ddx = (full_dx*16)/steps; ddy = (full_dy*16)/steps; // don't go under 1px/step if (ddx > 0 && ddx < 16) ddx = 16; if (ddy > 0 && ddy < 16) ddy = 16; if (ddx < 0 && ddx > -16) ddx = -16; if (ddy < 0 && ddy > -16) ddy = -16; d->dx = full_dx; d->dy = full_dy; d->ddx = ddx; d->ddy = ddy; if (!d->scrolling) { scrollTick(); startScrolling(); } } void TDEHTMLView::scrollTick() { if (d->dx == 0 && d->dy == 0) { stopScrolling(); return; } int tddx = d->ddx + d->rdx; int tddy = d->ddy + d->rdy; int ddx = tddx / 16; int ddy = tddy / 16; d->rdx = tddx % 16; d->rdy = tddy % 16; if (d->dx > 0 && ddx > d->dx) ddx = d->dx; else if (d->dx < 0 && ddx < d->dx) ddx = d->dx; if (d->dy > 0 && ddy > d->dy) ddy = d->dy; else if (d->dy < 0 && ddy < d->dy) ddy = d->dy; d->dx -= ddx; d->dy -= ddy; // TQScrollView::setContentsPos( contentsX() + ddx, contentsY() + ddy); kapp->syncX(); TQScrollView::scrollBy(ddx, ddy); // Unaccelerated X can get seriously overloaded by scrolling and for some reason // will send KeyPress events only infrequently. This should help to reduce // the load. kapp->syncX(); } void TDEHTMLView::startScrolling() { d->scrolling = true; d->timer.start(SCROLL_TICK, false); } void TDEHTMLView::stopScrolling() { d->timer.stop(); d->dx = d->dy = 0; d->scrolling = false; } // Overloaded from TQScrollView and TQScrollBar void TDEHTMLView::scrollViewWheelEvent( TQWheelEvent *e ) { int pageStep = verticalScrollBar()->pageStep(); int lineStep = verticalScrollBar()->lineStep(); int step = TQMIN( TQApplication::wheelScrollLines()*lineStep, pageStep ); if ( ( e->state() & ControlButton ) || ( e->state() & ShiftButton ) ) step = pageStep; if(e->orientation() == Qt::Horizontal) scrollBy(-((e->delta()*step)/120), 0); else if(e->orientation() == Qt::Vertical) scrollBy(0,-((e->delta()*step)/120)); e->accept(); } #undef timer #endif // NO_SMOOTH_SCROLL_HACK #undef DEBUG_CARETMODE